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Finding the Fourth Proportional to 794.07, 1,191.29 and 246.21

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Solution

The fourth proportional to 794.07, 1,191.29 and 246.21 is: 369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.07 : 1,191.29 = 246.21 : x
  2. Step 2: Convert to fraction form
    794.07/1,191.29 = 246.21/x
  3. Step 3: Cross multiply
    794.07x = 1,191.29 × 246.21
  4. Step 4: Simplify right side
    794.07x = 293,306.28
  5. Step 5: Solve for x
    x = 293,306.28/794.07
  6. Step 6: Final answer
    x = 369.37

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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.