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Finding the Fourth Proportional to 323.24, 446.03 and 190.47

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Solution

The fourth proportional to 323.24, 446.03 and 190.47 is: 262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.24 : 446.03 = 190.47 : x
  2. Step 2: Convert to fraction form
    323.24/446.03 = 190.47/x
  3. Step 3: Cross multiply
    323.24x = 446.03 × 190.47
  4. Step 4: Simplify right side
    323.24x = 84,954.38
  5. Step 5: Solve for x
    x = 84,954.38/323.24
  6. Step 6: Final answer
    x = 262.83

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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.