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Finding the Fourth Proportional to 510,700.76, 703,568.26 and 355,385.04

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Solution

The fourth proportional to 510,700.76, 703,568.26 and 355,385.04 is: 489,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,700.76 : 703,568.26 = 355,385.04 : x
  2. Step 2: Convert to fraction form
    510,700.76/703,568.26 = 355,385.04/x
  3. Step 3: Cross multiply
    510,700.76x = 703,568.26 × 355,385.04
  4. Step 4: Simplify right side
    510,700.76x = 250,037,632,028.68
  5. Step 5: Solve for x
    x = 250,037,632,028.68/510,700.76
  6. Step 6: Final answer
    x = 489,597.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.