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Finding the Fourth Proportional to 324.41, 446.99 and 250.56

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Solution

The fourth proportional to 324.41, 446.99 and 250.56 is: 345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.41 : 446.99 = 250.56 : x
  2. Step 2: Convert to fraction form
    324.41/446.99 = 250.56/x
  3. Step 3: Cross multiply
    324.41x = 446.99 × 250.56
  4. Step 4: Simplify right side
    324.41x = 111,996.56
  5. Step 5: Solve for x
    x = 111,996.56/324.41
  6. Step 6: Final answer
    x = 345.24

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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.