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Finding the Fourth Proportional to 625,251.74, 937,686.08 and 225,843.26

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Solution

The fourth proportional to 625,251.74, 937,686.08 and 225,843.26 is: 338,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,251.74 : 937,686.08 = 225,843.26 : x
  2. Step 2: Convert to fraction form
    625,251.74/937,686.08 = 225,843.26/x
  3. Step 3: Cross multiply
    625,251.74x = 937,686.08 × 225,843.26
  4. Step 4: Simplify right side
    625,251.74x = 211,770,081,163.82
  5. Step 5: Solve for x
    x = 211,770,081,163.82/625,251.74
  6. Step 6: Final answer
    x = 338,695.71

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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.