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Finding the Fourth Proportional to 791.88, 1,093.04 and 460.41

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Solution

The fourth proportional to 791.88, 1,093.04 and 460.41 is: 635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.88 : 1,093.04 = 460.41 : x
  2. Step 2: Convert to fraction form
    791.88/1,093.04 = 460.41/x
  3. Step 3: Cross multiply
    791.88x = 1,093.04 × 460.41
  4. Step 4: Simplify right side
    791.88x = 503,247.54
  5. Step 5: Solve for x
    x = 503,247.54/791.88
  6. Step 6: Final answer
    x = 635.51

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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.