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Finding the Fourth Proportional to 486,750.88, 730,195.52 and 149,819.61

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Solution

The fourth proportional to 486,750.88, 730,195.52 and 149,819.61 is: 224,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,750.88 : 730,195.52 = 149,819.61 : x
  2. Step 2: Convert to fraction form
    486,750.88/730,195.52 = 149,819.61/x
  3. Step 3: Cross multiply
    486,750.88x = 730,195.52 × 149,819.61
  4. Step 4: Simplify right side
    486,750.88x = 109,397,610,045.87
  5. Step 5: Solve for x
    x = 109,397,610,045.87/486,750.88
  6. Step 6: Final answer
    x = 224,750.72

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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.