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Finding the Fourth Proportional to 323.82, 446.83 and 192.73

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Solution

The fourth proportional to 323.82, 446.83 and 192.73 is: 265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.82 : 446.83 = 192.73 : x
  2. Step 2: Convert to fraction form
    323.82/446.83 = 192.73/x
  3. Step 3: Cross multiply
    323.82x = 446.83 × 192.73
  4. Step 4: Simplify right side
    323.82x = 86,117.55
  5. Step 5: Solve for x
    x = 86,117.55/323.82
  6. Step 6: Final answer
    x = 265.94

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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.