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Finding the Fourth Proportional to 323.88, 446.40 and 250.04

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Solution

The fourth proportional to 323.88, 446.40 and 250.04 is: 344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.88 : 446.40 = 250.04 : x
  2. Step 2: Convert to fraction form
    323.88/446.40 = 250.04/x
  3. Step 3: Cross multiply
    323.88x = 446.40 × 250.04
  4. Step 4: Simplify right side
    323.88x = 111,617.86
  5. Step 5: Solve for x
    x = 111,617.86/323.88
  6. Step 6: Final answer
    x = 344.63

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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.