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Finding the Fourth Proportional to 324.12, 447.27 and 182.33

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Solution

The fourth proportional to 324.12, 447.27 and 182.33 is: 251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.12 : 447.27 = 182.33 : x
  2. Step 2: Convert to fraction form
    324.12/447.27 = 182.33/x
  3. Step 3: Cross multiply
    324.12x = 447.27 × 182.33
  4. Step 4: Simplify right side
    324.12x = 81,549.50
  5. Step 5: Solve for x
    x = 81,549.50/324.12
  6. Step 6: Final answer
    x = 251.60

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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.