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Finding the Fourth Proportional to 441,269.27, 661,819.25 and 171,397.11

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Solution

The fourth proportional to 441,269.27, 661,819.25 and 171,397.11 is: 257,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,269.27 : 661,819.25 = 171,397.11 : x
  2. Step 2: Convert to fraction form
    441,269.27/661,819.25 = 171,397.11/x
  3. Step 3: Cross multiply
    441,269.27x = 661,819.25 × 171,397.11
  4. Step 4: Simplify right side
    441,269.27x = 113,433,906,792.37
  5. Step 5: Solve for x
    x = 113,433,906,792.37/441,269.27
  6. Step 6: Final answer
    x = 257,062.78

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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.