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Finding the Fourth Proportional to 322,729.44, 445,360.29 and 179,486.42

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Solution

The fourth proportional to 322,729.44, 445,360.29 and 179,486.42 is: 247,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,729.44 : 445,360.29 = 179,486.42 : x
  2. Step 2: Convert to fraction form
    322,729.44/445,360.29 = 179,486.42/x
  3. Step 3: Cross multiply
    322,729.44x = 445,360.29 × 179,486.42
  4. Step 4: Simplify right side
    322,729.44x = 79,936,121,835.46
  5. Step 5: Solve for x
    x = 79,936,121,835.46/322,729.44
  6. Step 6: Final answer
    x = 247,687.73

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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.