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Finding the Fourth Proportional to 699.83, 1,049.01 and 237.17

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Solution

The fourth proportional to 699.83, 1,049.01 and 237.17 is: 355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.83 : 1,049.01 = 237.17 : x
  2. Step 2: Convert to fraction form
    699.83/1,049.01 = 237.17/x
  3. Step 3: Cross multiply
    699.83x = 1,049.01 × 237.17
  4. Step 4: Simplify right side
    699.83x = 248,793.70
  5. Step 5: Solve for x
    x = 248,793.70/699.83
  6. Step 6: Final answer
    x = 355.51

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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.