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Finding the Fourth Proportional to 794.74, 1,096.77 and 495.94

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Solution

The fourth proportional to 794.74, 1,096.77 and 495.94 is: 684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.74 : 1,096.77 = 495.94 : x
  2. Step 2: Convert to fraction form
    794.74/1,096.77 = 495.94/x
  3. Step 3: Cross multiply
    794.74x = 1,096.77 × 495.94
  4. Step 4: Simplify right side
    794.74x = 543,932.11
  5. Step 5: Solve for x
    x = 543,932.11/794.74
  6. Step 6: Final answer
    x = 684.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.