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Finding the Fourth Proportional to 363,177.98, 544,769.70 and 126,520.28

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Solution

The fourth proportional to 363,177.98, 544,769.70 and 126,520.28 is: 189,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,177.98 : 544,769.70 = 126,520.28 : x
  2. Step 2: Convert to fraction form
    363,177.98/544,769.70 = 126,520.28/x
  3. Step 3: Cross multiply
    363,177.98x = 544,769.70 × 126,520.28
  4. Step 4: Simplify right side
    363,177.98x = 68,924,414,979.52
  5. Step 5: Solve for x
    x = 68,924,414,979.52/363,177.98
  6. Step 6: Final answer
    x = 189,781.37

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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.