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Finding the Fourth Proportional to 323.25, 446.22 and 230.01

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Solution

The fourth proportional to 323.25, 446.22 and 230.01 is: 317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.25 : 446.22 = 230.01 : x
  2. Step 2: Convert to fraction form
    323.25/446.22 = 230.01/x
  3. Step 3: Cross multiply
    323.25x = 446.22 × 230.01
  4. Step 4: Simplify right side
    323.25x = 102,635.06
  5. Step 5: Solve for x
    x = 102,635.06/323.25
  6. Step 6: Final answer
    x = 317.51

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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.