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Finding the Fourth Proportional to 794.13, 1,190.76 and 246.21

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Solution

The fourth proportional to 794.13, 1,190.76 and 246.21 is: 369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.13 : 1,190.76 = 246.21 : x
  2. Step 2: Convert to fraction form
    794.13/1,190.76 = 246.21/x
  3. Step 3: Cross multiply
    794.13x = 1,190.76 × 246.21
  4. Step 4: Simplify right side
    794.13x = 293,177.02
  5. Step 5: Solve for x
    x = 293,177.02/794.13
  6. Step 6: Final answer
    x = 369.18

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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.