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Finding the Fourth Proportional to 246.75, 370.00 and 84.38

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Solution

The fourth proportional to 246.75, 370.00 and 84.38 is: 126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.75 : 370.00 = 84.38 : x
  2. Step 2: Convert to fraction form
    246.75/370.00 = 84.38/x
  3. Step 3: Cross multiply
    246.75x = 370.00 × 84.38
  4. Step 4: Simplify right side
    246.75x = 31,218.86
  5. Step 5: Solve for x
    x = 31,218.86/246.75
  6. Step 6: Final answer
    x = 126.52

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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.