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Finding the Fourth Proportional to 322,727.09, 445,375.67 and 179,497.49

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Solution

The fourth proportional to 322,727.09, 445,375.67 and 179,497.49 is: 247,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,727.09 : 445,375.67 = 179,497.49 : x
  2. Step 2: Convert to fraction form
    322,727.09/445,375.67 = 179,497.49/x
  3. Step 3: Cross multiply
    322,727.09x = 445,375.67 × 179,497.49
  4. Step 4: Simplify right side
    322,727.09x = 79,943,811,747.70
  5. Step 5: Solve for x
    x = 79,943,811,747.70/322,727.09
  6. Step 6: Final answer
    x = 247,713.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.