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Finding the Fourth Proportional to 696.43, 1,044.30 and 234.05

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Solution

The fourth proportional to 696.43, 1,044.30 and 234.05 is: 350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.43 : 1,044.30 = 234.05 : x
  2. Step 2: Convert to fraction form
    696.43/1,044.30 = 234.05/x
  3. Step 3: Cross multiply
    696.43x = 1,044.30 × 234.05
  4. Step 4: Simplify right side
    696.43x = 244,418.42
  5. Step 5: Solve for x
    x = 244,418.42/696.43
  6. Step 6: Final answer
    x = 350.96

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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.