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Finding the Fourth Proportional to 361,700.20, 542,337.18 and 148,404.52

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Solution

The fourth proportional to 361,700.20, 542,337.18 and 148,404.52 is: 222,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,700.20 : 542,337.18 = 148,404.52 : x
  2. Step 2: Convert to fraction form
    361,700.20/542,337.18 = 148,404.52/x
  3. Step 3: Cross multiply
    361,700.20x = 542,337.18 × 148,404.52
  4. Step 4: Simplify right side
    361,700.20x = 80,485,288,876.05
  5. Step 5: Solve for x
    x = 80,485,288,876.05/361,700.20
  6. Step 6: Final answer
    x = 222,519.34

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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.