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Finding the Fourth Proportional to 323.17, 446.53 and 250.12

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Solution

The fourth proportional to 323.17, 446.53 and 250.12 is: 345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.17 : 446.53 = 250.12 : x
  2. Step 2: Convert to fraction form
    323.17/446.53 = 250.12/x
  3. Step 3: Cross multiply
    323.17x = 446.53 × 250.12
  4. Step 4: Simplify right side
    323.17x = 111,686.08
  5. Step 5: Solve for x
    x = 111,686.08/323.17
  6. Step 6: Final answer
    x = 345.60

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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.