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Finding the Fourth Proportional to 699.41, 1,049.12 and 237.24

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Solution

The fourth proportional to 699.41, 1,049.12 and 237.24 is: 355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.41 : 1,049.12 = 237.24 : x
  2. Step 2: Convert to fraction form
    699.41/1,049.12 = 237.24/x
  3. Step 3: Cross multiply
    699.41x = 1,049.12 × 237.24
  4. Step 4: Simplify right side
    699.41x = 248,891.21
  5. Step 5: Solve for x
    x = 248,891.21/699.41
  6. Step 6: Final answer
    x = 355.86

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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.