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Finding the Fourth Proportional to 329.53, 454.70 and 182.16

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Solution

The fourth proportional to 329.53, 454.70 and 182.16 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.53 : 454.70 = 182.16 : x
  2. Step 2: Convert to fraction form
    329.53/454.70 = 182.16/x
  3. Step 3: Cross multiply
    329.53x = 454.70 × 182.16
  4. Step 4: Simplify right side
    329.53x = 82,828.22
  5. Step 5: Solve for x
    x = 82,828.22/329.53
  6. Step 6: Final answer
    x = 251.36

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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.