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Finding the Fourth Proportional to 696.38, 1,044.16 and 233.90

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Solution

The fourth proportional to 696.38, 1,044.16 and 233.90 is: 350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.38 : 1,044.16 = 233.90 : x
  2. Step 2: Convert to fraction form
    696.38/1,044.16 = 233.90/x
  3. Step 3: Cross multiply
    696.38x = 1,044.16 × 233.90
  4. Step 4: Simplify right side
    696.38x = 244,227.13
  5. Step 5: Solve for x
    x = 244,227.13/696.38
  6. Step 6: Final answer
    x = 350.71

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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.