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Finding the Fourth Proportional to 792.18, 1,093.05 and 460.56

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Solution

The fourth proportional to 792.18, 1,093.05 and 460.56 is: 635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.18 : 1,093.05 = 460.56 : x
  2. Step 2: Convert to fraction form
    792.18/1,093.05 = 460.56/x
  3. Step 3: Cross multiply
    792.18x = 1,093.05 × 460.56
  4. Step 4: Simplify right side
    792.18x = 503,415.11
  5. Step 5: Solve for x
    x = 503,415.11/792.18
  6. Step 6: Final answer
    x = 635.48

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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.