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Finding the Fourth Proportional to 484,778.90, 726,708.27 and 169,151.06

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Solution

The fourth proportional to 484,778.90, 726,708.27 and 169,151.06 is: 253,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,778.90 : 726,708.27 = 169,151.06 : x
  2. Step 2: Convert to fraction form
    484,778.90/726,708.27 = 169,151.06/x
  3. Step 3: Cross multiply
    484,778.90x = 726,708.27 × 169,151.06
  4. Step 4: Simplify right side
    484,778.90x = 122,923,474,181.27
  5. Step 5: Solve for x
    x = 122,923,474,181.27/484,778.90
  6. Step 6: Final answer
    x = 253,566.06

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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.