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Finding the Fourth Proportional to 484,265.28, 726,397.92 and 176,540.34

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Solution

The fourth proportional to 484,265.28, 726,397.92 and 176,540.34 is: 264,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,265.28 : 726,397.92 = 176,540.34 : x
  2. Step 2: Convert to fraction form
    484,265.28/726,397.92 = 176,540.34/x
  3. Step 3: Cross multiply
    484,265.28x = 726,397.92 × 176,540.34
  4. Step 4: Simplify right side
    484,265.28x = 128,238,535,772.09
  5. Step 5: Solve for x
    x = 128,238,535,772.09/484,265.28
  6. Step 6: Final answer
    x = 264,810.51

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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.