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Finding the Fourth Proportional to 794.56, 1,191.90 and 246.76

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Solution

The fourth proportional to 794.56, 1,191.90 and 246.76 is: 370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.56 : 1,191.90 = 246.76 : x
  2. Step 2: Convert to fraction form
    794.56/1,191.90 = 246.76/x
  3. Step 3: Cross multiply
    794.56x = 1,191.90 × 246.76
  4. Step 4: Simplify right side
    794.56x = 294,113.24
  5. Step 5: Solve for x
    x = 294,113.24/794.56
  6. Step 6: Final answer
    x = 370.16

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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.