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Finding the Fourth Proportional to 792.36, 1,093.80 and 595.92

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Solution

The fourth proportional to 792.36, 1,093.80 and 595.92 is: 822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.36 : 1,093.80 = 595.92 : x
  2. Step 2: Convert to fraction form
    792.36/1,093.80 = 595.92/x
  3. Step 3: Cross multiply
    792.36x = 1,093.80 × 595.92
  4. Step 4: Simplify right side
    792.36x = 651,817.30
  5. Step 5: Solve for x
    x = 651,817.30/792.36
  6. Step 6: Final answer
    x = 822.63

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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.