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Finding the Fourth Proportional to 739.04, 1,108.49 and 252.02

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Solution

The fourth proportional to 739.04, 1,108.49 and 252.02 is: 378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.04 : 1,108.49 = 252.02 : x
  2. Step 2: Convert to fraction form
    739.04/1,108.49 = 252.02/x
  3. Step 3: Cross multiply
    739.04x = 1,108.49 × 252.02
  4. Step 4: Simplify right side
    739.04x = 279,363.16
  5. Step 5: Solve for x
    x = 279,363.16/739.04
  6. Step 6: Final answer
    x = 378.01

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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.