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Finding the Fourth Proportional to 324.23, 447.46 and 184.35

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Solution

The fourth proportional to 324.23, 447.46 and 184.35 is: 254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.23 : 447.46 = 184.35 : x
  2. Step 2: Convert to fraction form
    324.23/447.46 = 184.35/x
  3. Step 3: Cross multiply
    324.23x = 447.46 × 184.35
  4. Step 4: Simplify right side
    324.23x = 82,489.25
  5. Step 5: Solve for x
    x = 82,489.25/324.23
  6. Step 6: Final answer
    x = 254.42

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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.