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Finding the Fourth Proportional to 322,516.50, 445,034.08 and 177,298.33

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Solution

The fourth proportional to 322,516.50, 445,034.08 and 177,298.33 is: 244,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,516.50 : 445,034.08 = 177,298.33 : x
  2. Step 2: Convert to fraction form
    322,516.50/445,034.08 = 177,298.33/x
  3. Step 3: Cross multiply
    322,516.50x = 445,034.08 × 177,298.33
  4. Step 4: Simplify right side
    322,516.50x = 78,903,799,177.09
  5. Step 5: Solve for x
    x = 78,903,799,177.09/322,516.50
  6. Step 6: Final answer
    x = 244,650.43

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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.