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Finding the Fourth Proportional to 337,528.80, 506,351.52 and 137,957.76

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Solution

The fourth proportional to 337,528.80, 506,351.52 and 137,957.76 is: 206,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,528.80 : 506,351.52 = 137,957.76 : x
  2. Step 2: Convert to fraction form
    337,528.80/506,351.52 = 137,957.76/x
  3. Step 3: Cross multiply
    337,528.80x = 506,351.52 × 137,957.76
  4. Step 4: Simplify right side
    337,528.80x = 69,855,121,471.80
  5. Step 5: Solve for x
    x = 69,855,121,471.80/337,528.80
  6. Step 6: Final answer
    x = 206,960.48

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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.