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Finding the Fourth Proportional to 794.65, 1,191.36 and 246.50

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Solution

The fourth proportional to 794.65, 1,191.36 and 246.50 is: 369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.65 : 1,191.36 = 246.50 : x
  2. Step 2: Convert to fraction form
    794.65/1,191.36 = 246.50/x
  3. Step 3: Cross multiply
    794.65x = 1,191.36 × 246.50
  4. Step 4: Simplify right side
    794.65x = 293,670.24
  5. Step 5: Solve for x
    x = 293,670.24/794.65
  6. Step 6: Final answer
    x = 369.56

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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.