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Finding the Fourth Proportional to 491,658.67, 737,366.50 and 136,655.11

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Solution

The fourth proportional to 491,658.67, 737,366.50 and 136,655.11 is: 204,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,658.67 : 737,366.50 = 136,655.11 : x
  2. Step 2: Convert to fraction form
    491,658.67/737,366.50 = 136,655.11/x
  3. Step 3: Cross multiply
    491,658.67x = 737,366.50 × 136,655.11
  4. Step 4: Simplify right side
    491,658.67x = 100,764,900,167.82
  5. Step 5: Solve for x
    x = 100,764,900,167.82/491,658.67
  6. Step 6: Final answer
    x = 204,948.89

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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.