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Finding the Fourth Proportional to 488,131.72, 732,267.14 and 151,198.85

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Solution

The fourth proportional to 488,131.72, 732,267.14 and 151,198.85 is: 226,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,131.72 : 732,267.14 = 151,198.85 : x
  2. Step 2: Convert to fraction form
    488,131.72/732,267.14 = 151,198.85/x
  3. Step 3: Cross multiply
    488,131.72x = 732,267.14 × 151,198.85
  4. Step 4: Simplify right side
    488,131.72x = 110,717,950,535.46
  5. Step 5: Solve for x
    x = 110,717,950,535.46/488,131.72
  6. Step 6: Final answer
    x = 226,819.82

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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.