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Finding the Fourth Proportional to 324.74, 447.92 and 241.94

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Solution

The fourth proportional to 324.74, 447.92 and 241.94 is: 333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.74 : 447.92 = 241.94 : x
  2. Step 2: Convert to fraction form
    324.74/447.92 = 241.94/x
  3. Step 3: Cross multiply
    324.74x = 447.92 × 241.94
  4. Step 4: Simplify right side
    324.74x = 108,369.76
  5. Step 5: Solve for x
    x = 108,369.76/324.74
  6. Step 6: Final answer
    x = 333.71

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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.