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Finding the Fourth Proportional to 343.53, 473.52 and 269.73

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Solution

The fourth proportional to 343.53, 473.52 and 269.73 is: 371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.53 : 473.52 = 269.73 : x
  2. Step 2: Convert to fraction form
    343.53/473.52 = 269.73/x
  3. Step 3: Cross multiply
    343.53x = 473.52 × 269.73
  4. Step 4: Simplify right side
    343.53x = 127,722.55
  5. Step 5: Solve for x
    x = 127,722.55/343.53
  6. Step 6: Final answer
    x = 371.79

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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.