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Finding the Fourth Proportional to 367,324.86, 550,773.20 and 142,422.56

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Solution

The fourth proportional to 367,324.86, 550,773.20 and 142,422.56 is: 213,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,324.86 : 550,773.20 = 142,422.56 : x
  2. Step 2: Convert to fraction form
    367,324.86/550,773.20 = 142,422.56/x
  3. Step 3: Cross multiply
    367,324.86x = 550,773.20 × 142,422.56
  4. Step 4: Simplify right side
    367,324.86x = 78,442,527,044.93
  5. Step 5: Solve for x
    x = 78,442,527,044.93/367,324.86
  6. Step 6: Final answer
    x = 213,550.83

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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.