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Finding the Fourth Proportional to 625,201.64, 935,123.22 and 579,821.48

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Solution

The fourth proportional to 625,201.64, 935,123.22 and 579,821.48 is: 867,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,201.64 : 935,123.22 = 579,821.48 : x
  2. Step 2: Convert to fraction form
    625,201.64/935,123.22 = 579,821.48/x
  3. Step 3: Cross multiply
    625,201.64x = 935,123.22 × 579,821.48
  4. Step 4: Simplify right side
    625,201.64x = 542,204,529,402.77
  5. Step 5: Solve for x
    x = 542,204,529,402.77/625,201.64
  6. Step 6: Final answer
    x = 867,247.45

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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.