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Finding the Fourth Proportional to 324,609.88, 447,927.42 and 181,375.96

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Solution

The fourth proportional to 324,609.88, 447,927.42 and 181,375.96 is: 250,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,609.88 : 447,927.42 = 181,375.96 : x
  2. Step 2: Convert to fraction form
    324,609.88/447,927.42 = 181,375.96/x
  3. Step 3: Cross multiply
    324,609.88x = 447,927.42 × 181,375.96
  4. Step 4: Simplify right side
    324,609.88x = 81,243,265,812.82
  5. Step 5: Solve for x
    x = 81,243,265,812.82/324,609.88
  6. Step 6: Final answer
    x = 250,279.71

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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.