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Finding the Fourth Proportional to 435,503.43, 653,348.52 and 151,202.97

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Solution

The fourth proportional to 435,503.43, 653,348.52 and 151,202.97 is: 226,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503.43 : 653,348.52 = 151,202.97 : x
  2. Step 2: Convert to fraction form
    435,503.43/653,348.52 = 151,202.97/x
  3. Step 3: Cross multiply
    435,503.43x = 653,348.52 × 151,202.97
  4. Step 4: Simplify right side
    435,503.43x = 98,788,236,669.10
  5. Step 5: Solve for x
    x = 98,788,236,669.10/435,503.43
  6. Step 6: Final answer
    x = 226,836.87

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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.