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Finding the Fourth Proportional to 435,052.62, 652,613.96 and 165,309.92

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Solution

The fourth proportional to 435,052.62, 652,613.96 and 165,309.92 is: 247,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,052.62 : 652,613.96 = 165,309.92 : x
  2. Step 2: Convert to fraction form
    435,052.62/652,613.96 = 165,309.92/x
  3. Step 3: Cross multiply
    435,052.62x = 652,613.96 × 165,309.92
  4. Step 4: Simplify right side
    435,052.62x = 107,883,560,528.76
  5. Step 5: Solve for x
    x = 107,883,560,528.76/435,052.62
  6. Step 6: Final answer
    x = 247,978.19

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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.