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Finding the Fourth Proportional to 367,658.48, 551,959.98 and 283,472.12

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Solution

The fourth proportional to 367,658.48, 551,959.98 and 283,472.12 is: 425,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,658.48 : 551,959.98 = 283,472.12 : x
  2. Step 2: Convert to fraction form
    367,658.48/551,959.98 = 283,472.12/x
  3. Step 3: Cross multiply
    367,658.48x = 551,959.98 × 283,472.12
  4. Step 4: Simplify right side
    367,658.48x = 156,465,265,685.76
  5. Step 5: Solve for x
    x = 156,465,265,685.76/367,658.48
  6. Step 6: Final answer
    x = 425,572.30

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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.