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Finding the Fourth Proportional to 794.11, 1,191.29 and 246.16

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Solution

The fourth proportional to 794.11, 1,191.29 and 246.16 is: 369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.11 : 1,191.29 = 246.16 : x
  2. Step 2: Convert to fraction form
    794.11/1,191.29 = 246.16/x
  3. Step 3: Cross multiply
    794.11x = 1,191.29 × 246.16
  4. Step 4: Simplify right side
    794.11x = 293,246.72
  5. Step 5: Solve for x
    x = 293,246.72/794.11
  6. Step 6: Final answer
    x = 369.28

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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.