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Finding the Fourth Proportional to 793.82, 1,190.85 and 246.10

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Solution

The fourth proportional to 793.82, 1,190.85 and 246.10 is: 369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.82 : 1,190.85 = 246.10 : x
  2. Step 2: Convert to fraction form
    793.82/1,190.85 = 246.10/x
  3. Step 3: Cross multiply
    793.82x = 1,190.85 × 246.10
  4. Step 4: Simplify right side
    793.82x = 293,068.19
  5. Step 5: Solve for x
    x = 293,068.19/793.82
  6. Step 6: Final answer
    x = 369.19

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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.