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Finding the Fourth Proportional to 792.43, 1,093.85 and 595.60

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Solution

The fourth proportional to 792.43, 1,093.85 and 595.60 is: 822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.43 : 1,093.85 = 595.60 : x
  2. Step 2: Convert to fraction form
    792.43/1,093.85 = 595.60/x
  3. Step 3: Cross multiply
    792.43x = 1,093.85 × 595.60
  4. Step 4: Simplify right side
    792.43x = 651,494.08
  5. Step 5: Solve for x
    x = 651,494.08/792.43
  6. Step 6: Final answer
    x = 822.15

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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.