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Finding the Fourth Proportional to 773.44, 1,067.48 and 537.32

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Solution

The fourth proportional to 773.44, 1,067.48 and 537.32 is: 741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.44 : 1,067.48 = 537.32 : x
  2. Step 2: Convert to fraction form
    773.44/1,067.48 = 537.32/x
  3. Step 3: Cross multiply
    773.44x = 1,067.48 × 537.32
  4. Step 4: Simplify right side
    773.44x = 573,578.35
  5. Step 5: Solve for x
    x = 573,578.35/773.44
  6. Step 6: Final answer
    x = 741.59

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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.