Puzzle: baffling raffling

A good (a professional soft-serve ice cream maker, as it turns out) is being raffled off by an auctioneer. Bidders can buy tickets in the raffle for $1 apiece and at the end of the raffle the good is assigned to one of the bidders. The probability of assigning the good to a given bidder is proportional to the number of tickets he or she bought. Five bidders are participating in the raffle. They value the good at $480.50 (Max), $336.35 (Nora), $240.25 (Ozgür), $210.65 (Paolo) and $190.20 (Qiao), and these values are common knowledge.