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Finding the Fourth Proportional to 324.44, 447.74 and 184.56

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Solution

The fourth proportional to 324.44, 447.74 and 184.56 is: 254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.44 : 447.74 = 184.56 : x
  2. Step 2: Convert to fraction form
    324.44/447.74 = 184.56/x
  3. Step 3: Cross multiply
    324.44x = 447.74 × 184.56
  4. Step 4: Simplify right side
    324.44x = 82,633.97
  5. Step 5: Solve for x
    x = 82,633.97/324.44
  6. Step 6: Final answer
    x = 254.70

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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.