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Finding the Fourth Proportional to 539,392.90, 807,246.15 and 473,037.70

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Solution

The fourth proportional to 539,392.90, 807,246.15 and 473,037.70 is: 707,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,392.90 : 807,246.15 = 473,037.70 : x
  2. Step 2: Convert to fraction form
    539,392.90/807,246.15 = 473,037.70/x
  3. Step 3: Cross multiply
    539,392.90x = 807,246.15 × 473,037.70
  4. Step 4: Simplify right side
    539,392.90x = 381,857,862,129.86
  5. Step 5: Solve for x
    x = 381,857,862,129.86/539,392.90
  6. Step 6: Final answer
    x = 707,940.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.