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Finding the Fourth Proportional to 460.22, 635.13 and 263.79

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Solution

The fourth proportional to 460.22, 635.13 and 263.79 is: 364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.22 : 635.13 = 263.79 : x
  2. Step 2: Convert to fraction form
    460.22/635.13 = 263.79/x
  3. Step 3: Cross multiply
    460.22x = 635.13 × 263.79
  4. Step 4: Simplify right side
    460.22x = 167,540.94
  5. Step 5: Solve for x
    x = 167,540.94/460.22
  6. Step 6: Final answer
    x = 364.05

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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.