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Finding the Fourth Proportional to 246.36, 339.90 and 176.44

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Solution

The fourth proportional to 246.36, 339.90 and 176.44 is: 243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.36 : 339.90 = 176.44 : x
  2. Step 2: Convert to fraction form
    246.36/339.90 = 176.44/x
  3. Step 3: Cross multiply
    246.36x = 339.90 × 176.44
  4. Step 4: Simplify right side
    246.36x = 59,971.96
  5. Step 5: Solve for x
    x = 59,971.96/246.36
  6. Step 6: Final answer
    x = 243.43

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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.