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Finding the Fourth Proportional to 363,207.60, 544,694.16 and 132,363.72

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Solution

The fourth proportional to 363,207.60, 544,694.16 and 132,363.72 is: 198,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,207.60 : 544,694.16 = 132,363.72 : x
  2. Step 2: Convert to fraction form
    363,207.60/544,694.16 = 132,363.72/x
  3. Step 3: Cross multiply
    363,207.60x = 544,694.16 × 132,363.72
  4. Step 4: Simplify right side
    363,207.60x = 72,097,745,279.88
  5. Step 5: Solve for x
    x = 72,097,745,279.88/363,207.60
  6. Step 6: Final answer
    x = 198,502.85

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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.