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Finding the Fourth Proportional to 322,612.53, 445,202.96 and 179,371.32

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Solution

The fourth proportional to 322,612.53, 445,202.96 and 179,371.32 is: 247,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,612.53 : 445,202.96 = 179,371.32 : x
  2. Step 2: Convert to fraction form
    322,612.53/445,202.96 = 179,371.32/x
  3. Step 3: Cross multiply
    322,612.53x = 445,202.96 × 179,371.32
  4. Step 4: Simplify right side
    322,612.53x = 79,856,642,603.11
  5. Step 5: Solve for x
    x = 79,856,642,603.11/322,612.53
  6. Step 6: Final answer
    x = 247,531.13

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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.