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Finding the Fourth Proportional to 969.28, 1,337.46 and 596.32

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Solution

The fourth proportional to 969.28, 1,337.46 and 596.32 is: 822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.28 : 1,337.46 = 596.32 : x
  2. Step 2: Convert to fraction form
    969.28/1,337.46 = 596.32/x
  3. Step 3: Cross multiply
    969.28x = 1,337.46 × 596.32
  4. Step 4: Simplify right side
    969.28x = 797,554.15
  5. Step 5: Solve for x
    x = 797,554.15/969.28
  6. Step 6: Final answer
    x = 822.83

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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.