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Finding the Fourth Proportional to 323.83, 446.94 and 192.82

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Solution

The fourth proportional to 323.83, 446.94 and 192.82 is: 266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.83 : 446.94 = 192.82 : x
  2. Step 2: Convert to fraction form
    323.83/446.94 = 192.82/x
  3. Step 3: Cross multiply
    323.83x = 446.94 × 192.82
  4. Step 4: Simplify right side
    323.83x = 86,178.97
  5. Step 5: Solve for x
    x = 86,178.97/323.83
  6. Step 6: Final answer
    x = 266.12

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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.