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Finding the Fourth Proportional to 496.36, 683 and 481.33

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Solution

The fourth proportional to 496.36, 683 and 481.33 is: 662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.36 : 683 = 481.33 : x
  2. Step 2: Convert to fraction form
    496.36/683 = 481.33/x
  3. Step 3: Cross multiply
    496.36x = 683 × 481.33
  4. Step 4: Simplify right side
    496.36x = 328,748.39
  5. Step 5: Solve for x
    x = 328,748.39/496.36
  6. Step 6: Final answer
    x = 662.32

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Double scale
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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.