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Finding the Fourth Proportional to 791.51, 1,092.33 and 460.13

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Solution

The fourth proportional to 791.51, 1,092.33 and 460.13 is: 635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.51 : 1,092.33 = 460.13 : x
  2. Step 2: Convert to fraction form
    791.51/1,092.33 = 460.13/x
  3. Step 3: Cross multiply
    791.51x = 1,092.33 × 460.13
  4. Step 4: Simplify right side
    791.51x = 502,608.34
  5. Step 5: Solve for x
    x = 502,608.34/791.51
  6. Step 6: Final answer
    x = 635.00

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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.