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Finding the Fourth Proportional to 696.18, 1,044.41 and 234.11

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Solution

The fourth proportional to 696.18, 1,044.41 and 234.11 is: 351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.18 : 1,044.41 = 234.11 : x
  2. Step 2: Convert to fraction form
    696.18/1,044.41 = 234.11/x
  3. Step 3: Cross multiply
    696.18x = 1,044.41 × 234.11
  4. Step 4: Simplify right side
    696.18x = 244,500.43
  5. Step 5: Solve for x
    x = 244,500.43/696.18
  6. Step 6: Final answer
    x = 351.20

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Double scale
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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.