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Finding the Fourth Proportional to 484,234.97, 726,356.10 and 168,691.37

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Solution

The fourth proportional to 484,234.97, 726,356.10 and 168,691.37 is: 253,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,234.97 : 726,356.10 = 168,691.37 : x
  2. Step 2: Convert to fraction form
    484,234.97/726,356.10 = 168,691.37/x
  3. Step 3: Cross multiply
    484,234.97x = 726,356.10 × 168,691.37
  4. Step 4: Simplify right side
    484,234.97x = 122,530,005,616.86
  5. Step 5: Solve for x
    x = 122,530,005,616.86/484,234.97
  6. Step 6: Final answer
    x = 253,038.32

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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.