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Finding the Fourth Proportional to 488,676.04, 733,057.80 and 133,691.92

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Solution

The fourth proportional to 488,676.04, 733,057.80 and 133,691.92 is: 200,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,676.04 : 733,057.80 = 133,691.92 : x
  2. Step 2: Convert to fraction form
    488,676.04/733,057.80 = 133,691.92/x
  3. Step 3: Cross multiply
    488,676.04x = 733,057.80 × 133,691.92
  4. Step 4: Simplify right side
    488,676.04x = 98,003,904,752.98
  5. Step 5: Solve for x
    x = 98,003,904,752.98/488,676.04
  6. Step 6: Final answer
    x = 200,549.85

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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.