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Finding the Fourth Proportional to 323.77, 446.52 and 286.46

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Solution

The fourth proportional to 323.77, 446.52 and 286.46 is: 395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.77 : 446.52 = 286.46 : x
  2. Step 2: Convert to fraction form
    323.77/446.52 = 286.46/x
  3. Step 3: Cross multiply
    323.77x = 446.52 × 286.46
  4. Step 4: Simplify right side
    323.77x = 127,910.12
  5. Step 5: Solve for x
    x = 127,910.12/323.77
  6. Step 6: Final answer
    x = 395.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.