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Finding the Fourth Proportional to 625,071.52, 862,580.97 and 366,944.34

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Solution

The fourth proportional to 625,071.52, 862,580.97 and 366,944.34 is: 506,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,071.52 : 862,580.97 = 366,944.34 : x
  2. Step 2: Convert to fraction form
    625,071.52/862,580.97 = 366,944.34/x
  3. Step 3: Cross multiply
    625,071.52x = 862,580.97 × 366,944.34
  4. Step 4: Simplify right side
    625,071.52x = 316,519,202,898.49
  5. Step 5: Solve for x
    x = 316,519,202,898.49/625,071.52
  6. Step 6: Final answer
    x = 506,372.78

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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.