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Finding the Fourth Proportional to 834.82, 1,250.10 and 697.52

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Solution

The fourth proportional to 834.82, 1,250.10 and 697.52 is: 1,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.82 : 1,250.10 = 697.52 : x
  2. Step 2: Convert to fraction form
    834.82/1,250.10 = 697.52/x
  3. Step 3: Cross multiply
    834.82x = 1,250.10 × 697.52
  4. Step 4: Simplify right side
    834.82x = 871,972.88
  5. Step 5: Solve for x
    x = 871,972.88/834.82
  6. Step 6: Final answer
    x = 1,044.51

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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.