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Finding the Fourth Proportional to 322,555.82, 445,142.22 and 179,318.25

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Solution

The fourth proportional to 322,555.82, 445,142.22 and 179,318.25 is: 247,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,555.82 : 445,142.22 = 179,318.25 : x
  2. Step 2: Convert to fraction form
    322,555.82/445,142.22 = 179,318.25/x
  3. Step 3: Cross multiply
    322,555.82x = 445,142.22 × 179,318.25
  4. Step 4: Simplify right side
    322,555.82x = 79,822,123,891.52
  5. Step 5: Solve for x
    x = 79,822,123,891.52/322,555.82
  6. Step 6: Final answer
    x = 247,467.63

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1.5x scale

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.