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Finding the Fourth Proportional to 246.98, 340.61 and 173.27

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Solution

The fourth proportional to 246.98, 340.61 and 173.27 is: 238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.98 : 340.61 = 173.27 : x
  2. Step 2: Convert to fraction form
    246.98/340.61 = 173.27/x
  3. Step 3: Cross multiply
    246.98x = 340.61 × 173.27
  4. Step 4: Simplify right side
    246.98x = 59,017.48
  5. Step 5: Solve for x
    x = 59,017.48/246.98
  6. Step 6: Final answer
    x = 238.95

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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.