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Finding the Fourth Proportional to 323.46, 446.31 and 183.57

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Solution

The fourth proportional to 323.46, 446.31 and 183.57 is: 253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.46 : 446.31 = 183.57 : x
  2. Step 2: Convert to fraction form
    323.46/446.31 = 183.57/x
  3. Step 3: Cross multiply
    323.46x = 446.31 × 183.57
  4. Step 4: Simplify right side
    323.46x = 81,929.13
  5. Step 5: Solve for x
    x = 81,929.13/323.46
  6. Step 6: Final answer
    x = 253.29

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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.