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Finding the Fourth Proportional to 361,179.50, 539,572.78 and 233,781.86

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Solution

The fourth proportional to 361,179.50, 539,572.78 and 233,781.86 is: 349,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,179.50 : 539,572.78 = 233,781.86 : x
  2. Step 2: Convert to fraction form
    361,179.50/539,572.78 = 233,781.86/x
  3. Step 3: Cross multiply
    361,179.50x = 539,572.78 × 233,781.86
  4. Step 4: Simplify right side
    361,179.50x = 126,142,328,113.77
  5. Step 5: Solve for x
    x = 126,142,328,113.77/361,179.50
  6. Step 6: Final answer
    x = 349,251.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.