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Finding the Fourth Proportional to 794.71, 1,191.63 and 246.74

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Solution

The fourth proportional to 794.71, 1,191.63 and 246.74 is: 369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.71 : 1,191.63 = 246.74 : x
  2. Step 2: Convert to fraction form
    794.71/1,191.63 = 246.74/x
  3. Step 3: Cross multiply
    794.71x = 1,191.63 × 246.74
  4. Step 4: Simplify right side
    794.71x = 294,022.79
  5. Step 5: Solve for x
    x = 294,022.79/794.71
  6. Step 6: Final answer
    x = 369.97

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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.