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Finding the Fourth Proportional to 417,264.82, 625,733.46 and 147,335.40

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Solution

The fourth proportional to 417,264.82, 625,733.46 and 147,335.40 is: 220,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,264.82 : 625,733.46 = 147,335.40 : x
  2. Step 2: Convert to fraction form
    417,264.82/625,733.46 = 147,335.40/x
  3. Step 3: Cross multiply
    417,264.82x = 625,733.46 × 147,335.40
  4. Step 4: Simplify right side
    417,264.82x = 92,192,689,622.48
  5. Step 5: Solve for x
    x = 92,192,689,622.48/417,264.82
  6. Step 6: Final answer
    x = 220,945.27

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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.