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Finding the Fourth Proportional to 460.44, 635.40 and 273.96

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Solution

The fourth proportional to 460.44, 635.40 and 273.96 is: 378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.44 : 635.40 = 273.96 : x
  2. Step 2: Convert to fraction form
    460.44/635.40 = 273.96/x
  3. Step 3: Cross multiply
    460.44x = 635.40 × 273.96
  4. Step 4: Simplify right side
    460.44x = 174,074.18
  5. Step 5: Solve for x
    x = 174,074.18/460.44
  6. Step 6: Final answer
    x = 378.06

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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.