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Finding the Fourth Proportional to 324.28, 446.72 and 241.24

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Solution

The fourth proportional to 324.28, 446.72 and 241.24 is: 332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.28 : 446.72 = 241.24 : x
  2. Step 2: Convert to fraction form
    324.28/446.72 = 241.24/x
  3. Step 3: Cross multiply
    324.28x = 446.72 × 241.24
  4. Step 4: Simplify right side
    324.28x = 107,763.29
  5. Step 5: Solve for x
    x = 107,763.29/324.28
  6. Step 6: Final answer
    x = 332.32

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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.