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Finding the Fourth Proportional to 322,872.48, 445,564.25 and 179,632.62

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Solution

The fourth proportional to 322,872.48, 445,564.25 and 179,632.62 is: 247,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,872.48 : 445,564.25 = 179,632.62 : x
  2. Step 2: Convert to fraction form
    322,872.48/445,564.25 = 179,632.62/x
  3. Step 3: Cross multiply
    322,872.48x = 445,564.25 × 179,632.62
  4. Step 4: Simplify right side
    322,872.48x = 80,037,873,605.84
  5. Step 5: Solve for x
    x = 80,037,873,605.84/322,872.48
  6. Step 6: Final answer
    x = 247,893.14

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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.