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Finding the Fourth Proportional to 793.30, 1,190.22 and 500.46

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Solution

The fourth proportional to 793.30, 1,190.22 and 500.46 is: 750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.30 : 1,190.22 = 500.46 : x
  2. Step 2: Convert to fraction form
    793.30/1,190.22 = 500.46/x
  3. Step 3: Cross multiply
    793.30x = 1,190.22 × 500.46
  4. Step 4: Simplify right side
    793.30x = 595,657.50
  5. Step 5: Solve for x
    x = 595,657.50/793.30
  6. Step 6: Final answer
    x = 750.86

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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.