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Finding the Fourth Proportional to 792.10, 1,093.08 and 460.58

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Solution

The fourth proportional to 792.10, 1,093.08 and 460.58 is: 635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.10 : 1,093.08 = 460.58 : x
  2. Step 2: Convert to fraction form
    792.10/1,093.08 = 460.58/x
  3. Step 3: Cross multiply
    792.10x = 1,093.08 × 460.58
  4. Step 4: Simplify right side
    792.10x = 503,450.79
  5. Step 5: Solve for x
    x = 503,450.79/792.10
  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.