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Finding the Fourth Proportional to 439,099.92, 658,256.22 and 158,551.56

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Solution

The fourth proportional to 439,099.92, 658,256.22 and 158,551.56 is: 237,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,099.92 : 658,256.22 = 158,551.56 : x
  2. Step 2: Convert to fraction form
    439,099.92/658,256.22 = 158,551.56/x
  3. Step 3: Cross multiply
    439,099.92x = 658,256.22 × 158,551.56
  4. Step 4: Simplify right side
    439,099.92x = 104,367,550,560.70
  5. Step 5: Solve for x
    x = 104,367,550,560.70/439,099.92
  6. Step 6: Final answer
    x = 237,685.20

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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.