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Finding the Fourth Proportional to 322,635.21, 445,233.83 and 179,394

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Solution

The fourth proportional to 322,635.21, 445,233.83 and 179,394 is: 247,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,635.21 : 445,233.83 = 179,394 : x
  2. Step 2: Convert to fraction form
    322,635.21/445,233.83 = 179,394/x
  3. Step 3: Cross multiply
    322,635.21x = 445,233.83 × 179,394
  4. Step 4: Simplify right side
    322,635.21x = 79,872,277,699.02
  5. Step 5: Solve for x
    x = 79,872,277,699.02/322,635.21
  6. Step 6: Final answer
    x = 247,562.19

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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.