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Finding the Fourth Proportional to 323.35, 446.16 and 192.34

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Solution

The fourth proportional to 323.35, 446.16 and 192.34 is: 265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.35 : 446.16 = 192.34 : x
  2. Step 2: Convert to fraction form
    323.35/446.16 = 192.34/x
  3. Step 3: Cross multiply
    323.35x = 446.16 × 192.34
  4. Step 4: Simplify right side
    323.35x = 85,814.41
  5. Step 5: Solve for x
    x = 85,814.41/323.35
  6. Step 6: Final answer
    x = 265.39

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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.