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Finding the Fourth Proportional to 773.76, 1,067.92 and 596.98

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Solution

The fourth proportional to 773.76, 1,067.92 and 596.98 is: 823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.76 : 1,067.92 = 596.98 : x
  2. Step 2: Convert to fraction form
    773.76/1,067.92 = 596.98/x
  3. Step 3: Cross multiply
    773.76x = 1,067.92 × 596.98
  4. Step 4: Simplify right side
    773.76x = 637,526.72
  5. Step 5: Solve for x
    x = 637,526.72/773.76
  6. Step 6: Final answer
    x = 823.93

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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.