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Finding the Fourth Proportional to 844.88, 1,166 and 495.60

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Solution

The fourth proportional to 844.88, 1,166 and 495.60 is: 683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.88 : 1,166 = 495.60 : x
  2. Step 2: Convert to fraction form
    844.88/1,166 = 495.60/x
  3. Step 3: Cross multiply
    844.88x = 1,166 × 495.60
  4. Step 4: Simplify right side
    844.88x = 577,869.60
  5. Step 5: Solve for x
    x = 577,869.60/844.88
  6. Step 6: Final answer
    x = 683.97

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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.