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Finding the Fourth Proportional to 365.13, 548.10 and 262.44

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Solution

The fourth proportional to 365.13, 548.10 and 262.44 is: 393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.13 : 548.10 = 262.44 : x
  2. Step 2: Convert to fraction form
    365.13/548.10 = 262.44/x
  3. Step 3: Cross multiply
    365.13x = 548.10 × 262.44
  4. Step 4: Simplify right side
    365.13x = 143,843.36
  5. Step 5: Solve for x
    x = 143,843.36/365.13
  6. Step 6: Final answer
    x = 393.95

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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.