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Finding the Fourth Proportional to 968.82, 1,337.18 and 596.12

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Solution

The fourth proportional to 968.82, 1,337.18 and 596.12 is: 822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.82 : 1,337.18 = 596.12 : x
  2. Step 2: Convert to fraction form
    968.82/1,337.18 = 596.12/x
  3. Step 3: Cross multiply
    968.82x = 1,337.18 × 596.12
  4. Step 4: Simplify right side
    968.82x = 797,119.74
  5. Step 5: Solve for x
    x = 797,119.74/968.82
  6. Step 6: Final answer
    x = 822.77

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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.