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Finding the Fourth Proportional to 460.42, 635.24 and 273.92

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Solution

The fourth proportional to 460.42, 635.24 and 273.92 is: 377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.42 : 635.24 = 273.92 : x
  2. Step 2: Convert to fraction form
    460.42/635.24 = 273.92/x
  3. Step 3: Cross multiply
    460.42x = 635.24 × 273.92
  4. Step 4: Simplify right side
    460.42x = 174,002.45
  5. Step 5: Solve for x
    x = 174,002.45/460.42
  6. Step 6: Final answer
    x = 377.92

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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.