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Finding the Fourth Proportional to 793.88, 1,190.82 and 246.07

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Solution

The fourth proportional to 793.88, 1,190.82 and 246.07 is: 369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,190.82 = 246.07 : x
  2. Step 2: Convert to fraction form
    793.88/1,190.82 = 246.07/x
  3. Step 3: Cross multiply
    793.88x = 1,190.82 × 246.07
  4. Step 4: Simplify right side
    793.88x = 293,019.08
  5. Step 5: Solve for x
    x = 293,019.08/793.88
  6. Step 6: Final answer
    x = 369.10

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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.