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Finding the Fourth Proportional to 739.24, 1,108.06 and 252.04

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Solution

The fourth proportional to 739.24, 1,108.06 and 252.04 is: 377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.24 : 1,108.06 = 252.04 : x
  2. Step 2: Convert to fraction form
    739.24/1,108.06 = 252.04/x
  3. Step 3: Cross multiply
    739.24x = 1,108.06 × 252.04
  4. Step 4: Simplify right side
    739.24x = 279,275.44
  5. Step 5: Solve for x
    x = 279,275.44/739.24
  6. Step 6: Final answer
    x = 377.79

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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.