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Finding the Fourth Proportional to 337,891.20, 506,949.48 and 113,274

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Solution

The fourth proportional to 337,891.20, 506,949.48 and 113,274 is: 169,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,891.20 : 506,949.48 = 113,274 : x
  2. Step 2: Convert to fraction form
    337,891.20/506,949.48 = 113,274/x
  3. Step 3: Cross multiply
    337,891.20x = 506,949.48 × 113,274
  4. Step 4: Simplify right side
    337,891.20x = 57,424,195,397.52
  5. Step 5: Solve for x
    x = 57,424,195,397.52/337,891.20
  6. Step 6: Final answer
    x = 169,948.77

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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.