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Finding the Fourth Proportional to 246.44, 369.43 and 165.31

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Solution

The fourth proportional to 246.44, 369.43 and 165.31 is: 247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.44 : 369.43 = 165.31 : x
  2. Step 2: Convert to fraction form
    246.44/369.43 = 165.31/x
  3. Step 3: Cross multiply
    246.44x = 369.43 × 165.31
  4. Step 4: Simplify right side
    246.44x = 61,069.14
  5. Step 5: Solve for x
    x = 61,069.14/246.44
  6. Step 6: Final answer
    x = 247.80

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Why These Related Problems?

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