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Finding the Fourth Proportional to 322,589.88, 445,148.82 and 179,341.20

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Solution

The fourth proportional to 322,589.88, 445,148.82 and 179,341.20 is: 247,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,589.88 : 445,148.82 = 179,341.20 : x
  2. Step 2: Convert to fraction form
    322,589.88/445,148.82 = 179,341.20/x
  3. Step 3: Cross multiply
    322,589.88x = 445,148.82 × 179,341.20
  4. Step 4: Simplify right side
    322,589.88x = 79,833,523,557.38
  5. Step 5: Solve for x
    x = 79,833,523,557.38/322,589.88
  6. Step 6: Final answer
    x = 247,476.84

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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.