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Finding the Fourth Proportional to 322,890.54, 445,610.24 and 179,650.88

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Solution

The fourth proportional to 322,890.54, 445,610.24 and 179,650.88 is: 247,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,890.54 : 445,610.24 = 179,650.88 : x
  2. Step 2: Convert to fraction form
    322,890.54/445,610.24 = 179,650.88/x
  3. Step 3: Cross multiply
    322,890.54x = 445,610.24 × 179,650.88
  4. Step 4: Simplify right side
    322,890.54x = 80,054,271,753.01
  5. Step 5: Solve for x
    x = 80,054,271,753.01/322,890.54
  6. Step 6: Final answer
    x = 247,930.06

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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.