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Finding the Fourth Proportional to 460.12, 635 and 273.64

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Solution

The fourth proportional to 460.12, 635 and 273.64 is: 377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.12 : 635 = 273.64 : x
  2. Step 2: Convert to fraction form
    460.12/635 = 273.64/x
  3. Step 3: Cross multiply
    460.12x = 635 × 273.64
  4. Step 4: Simplify right side
    460.12x = 173,761.40
  5. Step 5: Solve for x
    x = 173,761.40/460.12
  6. Step 6: Final answer
    x = 377.64

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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.