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Finding the Fourth Proportional to 793.88, 1,191.08 and 246.22

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Solution

The fourth proportional to 793.88, 1,191.08 and 246.22 is: 369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,191.08 = 246.22 : x
  2. Step 2: Convert to fraction form
    793.88/1,191.08 = 246.22/x
  3. Step 3: Cross multiply
    793.88x = 1,191.08 × 246.22
  4. Step 4: Simplify right side
    793.88x = 293,271.36
  5. Step 5: Solve for x
    x = 293,271.36/793.88
  6. Step 6: Final answer
    x = 369.41

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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.