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Finding the Fourth Proportional to 460.25, 635.15 and 263.76

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Solution

The fourth proportional to 460.25, 635.15 and 263.76 is: 363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.25 : 635.15 = 263.76 : x
  2. Step 2: Convert to fraction form
    460.25/635.15 = 263.76/x
  3. Step 3: Cross multiply
    460.25x = 635.15 × 263.76
  4. Step 4: Simplify right side
    460.25x = 167,527.16
  5. Step 5: Solve for x
    x = 167,527.16/460.25
  6. Step 6: Final answer
    x = 363.99

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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.