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Finding the Fourth Proportional to 365.26, 548.44 and 359.86

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Solution

The fourth proportional to 365.26, 548.44 and 359.86 is: 540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.26 : 548.44 = 359.86 : x
  2. Step 2: Convert to fraction form
    365.26/548.44 = 359.86/x
  3. Step 3: Cross multiply
    365.26x = 548.44 × 359.86
  4. Step 4: Simplify right side
    365.26x = 197,361.62
  5. Step 5: Solve for x
    x = 197,361.62/365.26
  6. Step 6: Final answer
    x = 540.33

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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.