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Finding the Fourth Proportional to 408,944.60, 614,311.14 and 291,371.48

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Solution

The fourth proportional to 408,944.60, 614,311.14 and 291,371.48 is: 437,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,944.60 : 614,311.14 = 291,371.48 : x
  2. Step 2: Convert to fraction form
    408,944.60/614,311.14 = 291,371.48/x
  3. Step 3: Cross multiply
    408,944.60x = 614,311.14 × 291,371.48
  4. Step 4: Simplify right side
    408,944.60x = 178,992,746,042.29
  5. Step 5: Solve for x
    x = 178,992,746,042.29/408,944.60
  6. Step 6: Final answer
    x = 437,694.36

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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.