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Finding the Fourth Proportional to 932.77, 1,286.67 and 596.62

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Solution

The fourth proportional to 932.77, 1,286.67 and 596.62 is: 822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.77 : 1,286.67 = 596.62 : x
  2. Step 2: Convert to fraction form
    932.77/1,286.67 = 596.62/x
  3. Step 3: Cross multiply
    932.77x = 1,286.67 × 596.62
  4. Step 4: Simplify right side
    932.77x = 767,653.06
  5. Step 5: Solve for x
    x = 767,653.06/932.77
  6. Step 6: Final answer
    x = 822.98

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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.