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Finding the Fourth Proportional to 363,177.48, 544,768.95 and 126,519.78

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Solution

The fourth proportional to 363,177.48, 544,768.95 and 126,519.78 is: 189,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,177.48 : 544,768.95 = 126,519.78 : x
  2. Step 2: Convert to fraction form
    363,177.48/544,768.95 = 126,519.78/x
  3. Step 3: Cross multiply
    363,177.48x = 544,768.95 × 126,519.78
  4. Step 4: Simplify right side
    363,177.48x = 68,924,047,704.83
  5. Step 5: Solve for x
    x = 68,924,047,704.83/363,177.48
  6. Step 6: Final answer
    x = 189,780.62

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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.