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Finding the Fourth Proportional to 702,249.06, 969,107.02 and 396,338.34

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Solution

The fourth proportional to 702,249.06, 969,107.02 and 396,338.34 is: 546,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,249.06 : 969,107.02 = 396,338.34 : x
  2. Step 2: Convert to fraction form
    702,249.06/969,107.02 = 396,338.34/x
  3. Step 3: Cross multiply
    702,249.06x = 969,107.02 × 396,338.34
  4. Step 4: Simplify right side
    702,249.06x = 384,094,267,589.15
  5. Step 5: Solve for x
    x = 384,094,267,589.15/702,249.06
  6. Step 6: Final answer
    x = 546,948.78

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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.