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Finding the Fourth Proportional to 474,885.43, 712,267.99 and 133,359.86

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Solution

The fourth proportional to 474,885.43, 712,267.99 and 133,359.86 is: 200,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,885.43 : 712,267.99 = 133,359.86 : x
  2. Step 2: Convert to fraction form
    474,885.43/712,267.99 = 133,359.86/x
  3. Step 3: Cross multiply
    474,885.43x = 712,267.99 × 133,359.86
  4. Step 4: Simplify right side
    474,885.43x = 94,987,960,876.15
  5. Step 5: Solve for x
    x = 94,987,960,876.15/474,885.43
  6. Step 6: Final answer
    x = 200,022.90

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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.