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Finding the Fourth Proportional to 793.59, 1,190.45 and 563.14

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Solution

The fourth proportional to 793.59, 1,190.45 and 563.14 is: 844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.59 : 1,190.45 = 563.14 : x
  2. Step 2: Convert to fraction form
    793.59/1,190.45 = 563.14/x
  3. Step 3: Cross multiply
    793.59x = 1,190.45 × 563.14
  4. Step 4: Simplify right side
    793.59x = 670,390.01
  5. Step 5: Solve for x
    x = 670,390.01/793.59
  6. Step 6: Final answer
    x = 844.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.