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Finding the Fourth Proportional to 435,374.62, 653,249.85 and 225,160.18

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Solution

The fourth proportional to 435,374.62, 653,249.85 and 225,160.18 is: 337,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,374.62 : 653,249.85 = 225,160.18 : x
  2. Step 2: Convert to fraction form
    435,374.62/653,249.85 = 225,160.18/x
  3. Step 3: Cross multiply
    435,374.62x = 653,249.85 × 225,160.18
  4. Step 4: Simplify right side
    435,374.62x = 147,085,853,810.97
  5. Step 5: Solve for x
    x = 147,085,853,810.97/435,374.62
  6. Step 6: Final answer
    x = 337,837.46

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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.