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Finding the Fourth Proportional to 322,615.92, 445,161.12 and 184,773.44

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Solution

The fourth proportional to 322,615.92, 445,161.12 and 184,773.44 is: 254,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,615.92 : 445,161.12 = 184,773.44 : x
  2. Step 2: Convert to fraction form
    322,615.92/445,161.12 = 184,773.44/x
  3. Step 3: Cross multiply
    322,615.92x = 445,161.12 × 184,773.44
  4. Step 4: Simplify right side
    322,615.92x = 82,253,951,496.65
  5. Step 5: Solve for x
    x = 82,253,951,496.65/322,615.92
  6. Step 6: Final answer
    x = 254,959.37

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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.