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Finding the Fourth Proportional to 625,306.68, 938,242.98 and 246,123

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Solution

The fourth proportional to 625,306.68, 938,242.98 and 246,123 is: 369,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,306.68 : 938,242.98 = 246,123 : x
  2. Step 2: Convert to fraction form
    625,306.68/938,242.98 = 246,123/x
  3. Step 3: Cross multiply
    625,306.68x = 938,242.98 × 246,123
  4. Step 4: Simplify right side
    625,306.68x = 230,923,176,966.54
  5. Step 5: Solve for x
    x = 230,923,176,966.54/625,306.68
  6. Step 6: Final answer
    x = 369,295.87

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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.