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Finding the Fourth Proportional to 792.17, 1,092.92 and 460.32

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Solution

The fourth proportional to 792.17, 1,092.92 and 460.32 is: 635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.17 : 1,092.92 = 460.32 : x
  2. Step 2: Convert to fraction form
    792.17/1,092.92 = 460.32/x
  3. Step 3: Cross multiply
    792.17x = 1,092.92 × 460.32
  4. Step 4: Simplify right side
    792.17x = 503,094.09
  5. Step 5: Solve for x
    x = 503,094.09/792.17
  6. Step 6: Final answer
    x = 635.09

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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.