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Finding the Fourth Proportional to 699.44, 1,049.15 and 333.97

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Solution

The fourth proportional to 699.44, 1,049.15 and 333.97 is: 500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.44 : 1,049.15 = 333.97 : x
  2. Step 2: Convert to fraction form
    699.44/1,049.15 = 333.97/x
  3. Step 3: Cross multiply
    699.44x = 1,049.15 × 333.97
  4. Step 4: Simplify right side
    699.44x = 350,388.74
  5. Step 5: Solve for x
    x = 350,388.74/699.44
  6. Step 6: Final answer
    x = 500.96

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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.