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Finding the Fourth Proportional to 591,591.26, 817,775.04 and 527,693.78

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Solution

The fourth proportional to 591,591.26, 817,775.04 and 527,693.78 is: 729,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,591.26 : 817,775.04 = 527,693.78 : x
  2. Step 2: Convert to fraction form
    591,591.26/817,775.04 = 527,693.78/x
  3. Step 3: Cross multiply
    591,591.26x = 817,775.04 × 527,693.78
  4. Step 4: Simplify right side
    591,591.26x = 431,534,795,319.91
  5. Step 5: Solve for x
    x = 431,534,795,319.91/591,591.26
  6. Step 6: Final answer
    x = 729,447.56

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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.