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Finding the Fourth Proportional to 246.44, 342.26 and 242.48

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Solution

The fourth proportional to 246.44, 342.26 and 242.48 is: 336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.44 : 342.26 = 242.48 : x
  2. Step 2: Convert to fraction form
    246.44/342.26 = 242.48/x
  3. Step 3: Cross multiply
    246.44x = 342.26 × 242.48
  4. Step 4: Simplify right side
    246.44x = 82,991.20
  5. Step 5: Solve for x
    x = 82,991.20/246.44
  6. Step 6: Final answer
    x = 336.76

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.