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Finding the Fourth Proportional to 539,517.16, 744,529.57 and 297,799.71

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Solution

The fourth proportional to 539,517.16, 744,529.57 and 297,799.71 is: 410,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,517.16 : 744,529.57 = 297,799.71 : x
  2. Step 2: Convert to fraction form
    539,517.16/744,529.57 = 297,799.71/x
  3. Step 3: Cross multiply
    539,517.16x = 744,529.57 × 297,799.71
  4. Step 4: Simplify right side
    539,517.16x = 221,720,690,032.43
  5. Step 5: Solve for x
    x = 221,720,690,032.43/539,517.16
  6. Step 6: Final answer
    x = 410,961.33

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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.