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Finding the Fourth Proportional to 324.22, 447.46 and 184.36

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Solution

The fourth proportional to 324.22, 447.46 and 184.36 is: 254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.22 : 447.46 = 184.36 : x
  2. Step 2: Convert to fraction form
    324.22/447.46 = 184.36/x
  3. Step 3: Cross multiply
    324.22x = 447.46 × 184.36
  4. Step 4: Simplify right side
    324.22x = 82,493.73
  5. Step 5: Solve for x
    x = 82,493.73/324.22
  6. Step 6: Final answer
    x = 254.44

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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.