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Finding the Fourth Proportional to 395.64, 593.51 and 273.60

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Solution

The fourth proportional to 395.64, 593.51 and 273.60 is: 410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.64 : 593.51 = 273.60 : x
  2. Step 2: Convert to fraction form
    395.64/593.51 = 273.60/x
  3. Step 3: Cross multiply
    395.64x = 593.51 × 273.60
  4. Step 4: Simplify right side
    395.64x = 162,382.97
  5. Step 5: Solve for x
    x = 162,382.97/395.64
  6. Step 6: Final answer
    x = 410.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.