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Finding the Fourth Proportional to 610,128.92, 914,548.11 and 225,630.70

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Solution

The fourth proportional to 610,128.92, 914,548.11 and 225,630.70 is: 338,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,128.92 : 914,548.11 = 225,630.70 : x
  2. Step 2: Convert to fraction form
    610,128.92/914,548.11 = 225,630.70/x
  3. Step 3: Cross multiply
    610,128.92x = 914,548.11 × 225,630.70
  4. Step 4: Simplify right side
    610,128.92x = 206,350,130,242.98
  5. Step 5: Solve for x
    x = 206,350,130,242.98/610,128.92
  6. Step 6: Final answer
    x = 338,207.42

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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.