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Finding the Fourth Proportional to 322,171.52, 444,605.94 and 178,940.79

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Solution

The fourth proportional to 322,171.52, 444,605.94 and 178,940.79 is: 246,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,171.52 : 444,605.94 = 178,940.79 : x
  2. Step 2: Convert to fraction form
    322,171.52/444,605.94 = 178,940.79/x
  3. Step 3: Cross multiply
    322,171.52x = 444,605.94 × 178,940.79
  4. Step 4: Simplify right side
    322,171.52x = 79,558,138,142.29
  5. Step 5: Solve for x
    x = 79,558,138,142.29/322,171.52
  6. Step 6: Final answer
    x = 246,943.43

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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.