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Finding the Fourth Proportional to 625,754.52, 938,725.44 and 226,488.71

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Solution

The fourth proportional to 625,754.52, 938,725.44 and 226,488.71 is: 339,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,754.52 : 938,725.44 = 226,488.71 : x
  2. Step 2: Convert to fraction form
    625,754.52/938,725.44 = 226,488.71/x
  3. Step 3: Cross multiply
    625,754.52x = 938,725.44 × 226,488.71
  4. Step 4: Simplify right side
    625,754.52x = 212,610,713,949.78
  5. Step 5: Solve for x
    x = 212,610,713,949.78/625,754.52
  6. Step 6: Final answer
    x = 339,766.96

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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.