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Finding the Fourth Proportional to 367,649.92, 551,631.81 and 178,250.17

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Solution

The fourth proportional to 367,649.92, 551,631.81 and 178,250.17 is: 267,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,649.92 : 551,631.81 = 178,250.17 : x
  2. Step 2: Convert to fraction form
    367,649.92/551,631.81 = 178,250.17/x
  3. Step 3: Cross multiply
    367,649.92x = 551,631.81 × 178,250.17
  4. Step 4: Simplify right side
    367,649.92x = 98,328,463,909.91
  5. Step 5: Solve for x
    x = 98,328,463,909.91/367,649.92
  6. Step 6: Final answer
    x = 267,451.34

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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.