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Finding the Fourth Proportional to 489,131.66, 733,747.83 and 169,282.97

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Solution

The fourth proportional to 489,131.66, 733,747.83 and 169,282.97 is: 253,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,131.66 : 733,747.83 = 169,282.97 : x
  2. Step 2: Convert to fraction form
    489,131.66/733,747.83 = 169,282.97/x
  3. Step 3: Cross multiply
    489,131.66x = 733,747.83 × 169,282.97
  4. Step 4: Simplify right side
    489,131.66x = 124,211,012,286.10
  5. Step 5: Solve for x
    x = 124,211,012,286.10/489,131.66
  6. Step 6: Final answer
    x = 253,941.88

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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.