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Finding the Fourth Proportional to 324.12, 447.33 and 184.24

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Solution

The fourth proportional to 324.12, 447.33 and 184.24 is: 254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.12 : 447.33 = 184.24 : x
  2. Step 2: Convert to fraction form
    324.12/447.33 = 184.24/x
  3. Step 3: Cross multiply
    324.12x = 447.33 × 184.24
  4. Step 4: Simplify right side
    324.12x = 82,416.08
  5. Step 5: Solve for x
    x = 82,416.08/324.12
  6. Step 6: Final answer
    x = 254.28

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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.