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Finding the Fourth Proportional to 794.62, 1,191.84 and 246.70

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Solution

The fourth proportional to 794.62, 1,191.84 and 246.70 is: 370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.62 : 1,191.84 = 246.70 : x
  2. Step 2: Convert to fraction form
    794.62/1,191.84 = 246.70/x
  3. Step 3: Cross multiply
    794.62x = 1,191.84 × 246.70
  4. Step 4: Simplify right side
    794.62x = 294,026.93
  5. Step 5: Solve for x
    x = 294,026.93/794.62
  6. Step 6: Final answer
    x = 370.02

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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.