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Finding the Fourth Proportional to 539,660.26, 809,337.30 and 160,565.68

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Solution

The fourth proportional to 539,660.26, 809,337.30 and 160,565.68 is: 240,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,660.26 : 809,337.30 = 160,565.68 : x
  2. Step 2: Convert to fraction form
    539,660.26/809,337.30 = 160,565.68/x
  3. Step 3: Cross multiply
    539,660.26x = 809,337.30 × 160,565.68
  4. Step 4: Simplify right side
    539,660.26x = 129,951,793,923.86
  5. Step 5: Solve for x
    x = 129,951,793,923.86/539,660.26
  6. Step 6: Final answer
    x = 240,802.97

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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.