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Finding the Fourth Proportional to 635.44, 953.16 and 224.54

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Solution

The fourth proportional to 635.44, 953.16 and 224.54 is: 336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.44 : 953.16 = 224.54 : x
  2. Step 2: Convert to fraction form
    635.44/953.16 = 224.54/x
  3. Step 3: Cross multiply
    635.44x = 953.16 × 224.54
  4. Step 4: Simplify right side
    635.44x = 214,022.55
  5. Step 5: Solve for x
    x = 214,022.55/635.44
  6. Step 6: Final answer
    x = 336.81

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Double scale
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Similar ratio
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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.