A company's quarterly sales of a new gadget are shown in the table below. The sales manager projected that the percent increase from Q2 to Q3 would be one-third of the percent increase from Q1 to Q2. How many gadgets did the manager expect to sell in Q3?
| Quarter | Gadgets Sold |
|---|---|
| Q1 | 400 |
| Q2 | 460 |
475
480
483
490
