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Finding the Fourth Proportional to 591,590.76, 817,774.35 and 527,693.28

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Solution

The fourth proportional to 591,590.76, 817,774.35 and 527,693.28 is: 729,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,590.76 : 817,774.35 = 527,693.28 : x
  2. Step 2: Convert to fraction form
    591,590.76/817,774.35 = 527,693.28/x
  3. Step 3: Cross multiply
    591,590.76x = 817,774.35 × 527,693.28
  4. Step 4: Simplify right side
    591,590.76x = 431,534,024,005.86
  5. Step 5: Solve for x
    x = 431,534,024,005.86/591,590.76
  6. Step 6: Final answer
    x = 729,446.87

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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.