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Finding the Fourth Proportional to 322,209.28, 444,601.92 and 178,970.56

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Solution

The fourth proportional to 322,209.28, 444,601.92 and 178,970.56 is: 246,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,209.28 : 444,601.92 = 178,970.56 : x
  2. Step 2: Convert to fraction form
    322,209.28/444,601.92 = 178,970.56/x
  3. Step 3: Cross multiply
    322,209.28x = 444,601.92 × 178,970.56
  4. Step 4: Simplify right side
    322,209.28x = 79,570,654,599.48
  5. Step 5: Solve for x
    x = 79,570,654,599.48/322,209.28
  6. Step 6: Final answer
    x = 246,953.33

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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.