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Finding the Fourth Proportional to 969,249.87, 1,337,978.34 and 690,027.03

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Solution

The fourth proportional to 969,249.87, 1,337,978.34 and 690,027.03 is: 952,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,249.87 : 1,337,978.34 = 690,027.03 : x
  2. Step 2: Convert to fraction form
    969,249.87/1,337,978.34 = 690,027.03/x
  3. Step 3: Cross multiply
    969,249.87x = 1,337,978.34 × 690,027.03
  4. Step 4: Simplify right side
    969,249.87x = 923,241,220,154.53
  5. Step 5: Solve for x
    x = 923,241,220,154.53/969,249.87
  6. Step 6: Final answer
    x = 952,531.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.