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Finding the Fourth Proportional to 792.01, 1,092.81 and 460.48

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Solution

The fourth proportional to 792.01, 1,092.81 and 460.48 is: 635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.01 : 1,092.81 = 460.48 : x
  2. Step 2: Convert to fraction form
    792.01/1,092.81 = 460.48/x
  3. Step 3: Cross multiply
    792.01x = 1,092.81 × 460.48
  4. Step 4: Simplify right side
    792.01x = 503,217.15
  5. Step 5: Solve for x
    x = 503,217.15/792.01
  6. Step 6: Final answer
    x = 635.37

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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.