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Finding the Fourth Proportional to 625,198.73, 937,789.88 and 151,882.72

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Solution

The fourth proportional to 625,198.73, 937,789.88 and 151,882.72 is: 227,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,198.73 : 937,789.88 = 151,882.72 : x
  2. Step 2: Convert to fraction form
    625,198.73/937,789.88 = 151,882.72/x
  3. Step 3: Cross multiply
    625,198.73x = 937,789.88 × 151,882.72
  4. Step 4: Simplify right side
    625,198.73x = 142,434,074,658.99
  5. Step 5: Solve for x
    x = 142,434,074,658.99/625,198.73
  6. Step 6: Final answer
    x = 227,822.08

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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.