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Finding the Fourth Proportional to 240,862.88, 361,217.76 and 225,138.32

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Solution

The fourth proportional to 240,862.88, 361,217.76 and 225,138.32 is: 337,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,862.88 : 361,217.76 = 225,138.32 : x
  2. Step 2: Convert to fraction form
    240,862.88/361,217.76 = 225,138.32/x
  3. Step 3: Cross multiply
    240,862.88x = 361,217.76 × 225,138.32
  4. Step 4: Simplify right side
    240,862.88x = 81,323,959,640.56
  5. Step 5: Solve for x
    x = 81,323,959,640.56/240,862.88
  6. Step 6: Final answer
    x = 337,635.92

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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.