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Finding the Fourth Proportional to 618,772.43, 928,159.38 and 169,497.17

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Solution

The fourth proportional to 618,772.43, 928,159.38 and 169,497.17 is: 254,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,772.43 : 928,159.38 = 169,497.17 : x
  2. Step 2: Convert to fraction form
    618,772.43/928,159.38 = 169,497.17/x
  3. Step 3: Cross multiply
    618,772.43x = 928,159.38 × 169,497.17
  4. Step 4: Simplify right side
    618,772.43x = 157,320,387,058.76
  5. Step 5: Solve for x
    x = 157,320,387,058.76/618,772.43
  6. Step 6: Final answer
    x = 254,245.96

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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.