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Finding the Fourth Proportional to 460.45, 635.41 and 263.95

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Solution

The fourth proportional to 460.45, 635.41 and 263.95 is: 364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.45 : 635.41 = 263.95 : x
  2. Step 2: Convert to fraction form
    460.45/635.41 = 263.95/x
  3. Step 3: Cross multiply
    460.45x = 635.41 × 263.95
  4. Step 4: Simplify right side
    460.45x = 167,718.79
  5. Step 5: Solve for x
    x = 167,718.79/460.45
  6. Step 6: Final answer
    x = 364.25

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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.