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Finding the Fourth Proportional to 969.48, 1,337.19 and 596.66

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Solution

The fourth proportional to 969.48, 1,337.19 and 596.66 is: 822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.48 : 1,337.19 = 596.66 : x
  2. Step 2: Convert to fraction form
    969.48/1,337.19 = 596.66/x
  3. Step 3: Cross multiply
    969.48x = 1,337.19 × 596.66
  4. Step 4: Simplify right side
    969.48x = 797,853.37
  5. Step 5: Solve for x
    x = 797,853.37/969.48
  6. Step 6: Final answer
    x = 822.97

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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.