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Finding the Fourth Proportional to 340.97, 511.62 and 167.63

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Solution

The fourth proportional to 340.97, 511.62 and 167.63 is: 251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.97 : 511.62 = 167.63 : x
  2. Step 2: Convert to fraction form
    340.97/511.62 = 167.63/x
  3. Step 3: Cross multiply
    340.97x = 511.62 × 167.63
  4. Step 4: Simplify right side
    340.97x = 85,760.30
  5. Step 5: Solve for x
    x = 85,760.30/340.97
  6. Step 6: Final answer
    x = 251.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.