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Finding the Fourth Proportional to 329.90, 455.26 and 182.53

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Solution

The fourth proportional to 329.90, 455.26 and 182.53 is: 251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.90 : 455.26 = 182.53 : x
  2. Step 2: Convert to fraction form
    329.90/455.26 = 182.53/x
  3. Step 3: Cross multiply
    329.90x = 455.26 × 182.53
  4. Step 4: Simplify right side
    329.90x = 83,098.61
  5. Step 5: Solve for x
    x = 83,098.61/329.90
  6. Step 6: Final answer
    x = 251.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.