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Finding the Fourth Proportional to 324.08, 446.96 and 271.92

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Solution

The fourth proportional to 324.08, 446.96 and 271.92 is: 375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.08 : 446.96 = 271.92 : x
  2. Step 2: Convert to fraction form
    324.08/446.96 = 271.92/x
  3. Step 3: Cross multiply
    324.08x = 446.96 × 271.92
  4. Step 4: Simplify right side
    324.08x = 121,537.36
  5. Step 5: Solve for x
    x = 121,537.36/324.08
  6. Step 6: Final answer
    x = 375.02

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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.