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Finding the Fourth Proportional to 792.29, 1,093.17 and 460.66

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Solution

The fourth proportional to 792.29, 1,093.17 and 460.66 is: 635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.29 : 1,093.17 = 460.66 : x
  2. Step 2: Convert to fraction form
    792.29/1,093.17 = 460.66/x
  3. Step 3: Cross multiply
    792.29x = 1,093.17 × 460.66
  4. Step 4: Simplify right side
    792.29x = 503,576.96
  5. Step 5: Solve for x
    x = 503,576.96/792.29
  6. Step 6: Final answer
    x = 635.59

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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.