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Finding the Fourth Proportional to 323.42, 446.33 and 234.94

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Solution

The fourth proportional to 323.42, 446.33 and 234.94 is: 324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.42 : 446.33 = 234.94 : x
  2. Step 2: Convert to fraction form
    323.42/446.33 = 234.94/x
  3. Step 3: Cross multiply
    323.42x = 446.33 × 234.94
  4. Step 4: Simplify right side
    323.42x = 104,860.77
  5. Step 5: Solve for x
    x = 104,860.77/323.42
  6. Step 6: Final answer
    x = 324.22

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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.