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Finding the Fourth Proportional to 323.24, 446.12 and 192.25

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Solution

The fourth proportional to 323.24, 446.12 and 192.25 is: 265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.24 : 446.12 = 192.25 : x
  2. Step 2: Convert to fraction form
    323.24/446.12 = 192.25/x
  3. Step 3: Cross multiply
    323.24x = 446.12 × 192.25
  4. Step 4: Simplify right side
    323.24x = 85,766.57
  5. Step 5: Solve for x
    x = 85,766.57/323.24
  6. Step 6: Final answer
    x = 265.33

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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.