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Finding the Fourth Proportional to 322,389.80, 444,901.94 and 177,211.42

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Solution

The fourth proportional to 322,389.80, 444,901.94 and 177,211.42 is: 244,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,389.80 : 444,901.94 = 177,211.42 : x
  2. Step 2: Convert to fraction form
    322,389.80/444,901.94 = 177,211.42/x
  3. Step 3: Cross multiply
    322,389.80x = 444,901.94 × 177,211.42
  4. Step 4: Simplify right side
    322,389.80x = 78,841,704,548.15
  5. Step 5: Solve for x
    x = 78,841,704,548.15/322,389.80
  6. Step 6: Final answer
    x = 244,553.97

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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.