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Finding the Fourth Proportional to 323.34, 446.24 and 192.36

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Solution

The fourth proportional to 323.34, 446.24 and 192.36 is: 265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.34 : 446.24 = 192.36 : x
  2. Step 2: Convert to fraction form
    323.34/446.24 = 192.36/x
  3. Step 3: Cross multiply
    323.34x = 446.24 × 192.36
  4. Step 4: Simplify right side
    323.34x = 85,838.73
  5. Step 5: Solve for x
    x = 85,838.73/323.34
  6. Step 6: Final answer
    x = 265.48

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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.