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Finding the Fourth Proportional to 466.56, 696.96 and 426.24

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Solution

The fourth proportional to 466.56, 696.96 and 426.24 is: 636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.56 : 696.96 = 426.24 : x
  2. Step 2: Convert to fraction form
    466.56/696.96 = 426.24/x
  3. Step 3: Cross multiply
    466.56x = 696.96 × 426.24
  4. Step 4: Simplify right side
    466.56x = 297,072.23
  5. Step 5: Solve for x
    x = 297,072.23/466.56
  6. Step 6: Final answer
    x = 636.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.