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Finding the Fourth Proportional to 322,612.44, 445,179.84 and 179,363.76

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Solution

The fourth proportional to 322,612.44, 445,179.84 and 179,363.76 is: 247,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,612.44 : 445,179.84 = 179,363.76 : x
  2. Step 2: Convert to fraction form
    322,612.44/445,179.84 = 179,363.76/x
  3. Step 3: Cross multiply
    322,612.44x = 445,179.84 × 179,363.76
  4. Step 4: Simplify right side
    322,612.44x = 79,849,129,978.60
  5. Step 5: Solve for x
    x = 79,849,129,978.60/322,612.44
  6. Step 6: Final answer
    x = 247,507.91

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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.