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Finding the Fourth Proportional to 625,220.73, 862,490.03 and 410,330.97

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Solution

The fourth proportional to 625,220.73, 862,490.03 and 410,330.97 is: 566,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,220.73 : 862,490.03 = 410,330.97 : x
  2. Step 2: Convert to fraction form
    625,220.73/862,490.03 = 410,330.97/x
  3. Step 3: Cross multiply
    625,220.73x = 862,490.03 × 410,330.97
  4. Step 4: Simplify right side
    625,220.73x = 353,906,368,573.57
  5. Step 5: Solve for x
    x = 353,906,368,573.57/625,220.73
  6. Step 6: Final answer
    x = 566,050.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.