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Finding the Fourth Proportional to 461.53, 636.97 and 262.43

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Solution

The fourth proportional to 461.53, 636.97 and 262.43 is: 362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.53 : 636.97 = 262.43 : x
  2. Step 2: Convert to fraction form
    461.53/636.97 = 262.43/x
  3. Step 3: Cross multiply
    461.53x = 636.97 × 262.43
  4. Step 4: Simplify right side
    461.53x = 167,157.51
  5. Step 5: Solve for x
    x = 167,157.51/461.53
  6. Step 6: Final answer
    x = 362.18

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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.