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Finding the Fourth Proportional to 324.97, 448.46 and 185.08

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Solution

The fourth proportional to 324.97, 448.46 and 185.08 is: 255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.97 : 448.46 = 185.08 : x
  2. Step 2: Convert to fraction form
    324.97/448.46 = 185.08/x
  3. Step 3: Cross multiply
    324.97x = 448.46 × 185.08
  4. Step 4: Simplify right side
    324.97x = 83,002.10
  5. Step 5: Solve for x
    x = 83,002.10/324.97
  6. Step 6: Final answer
    x = 255.41

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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.