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Finding the Fourth Proportional to 365.62, 547.92 and 262.44

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Solution

The fourth proportional to 365.62, 547.92 and 262.44 is: 393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.62 : 547.92 = 262.44 : x
  2. Step 2: Convert to fraction form
    365.62/547.92 = 262.44/x
  3. Step 3: Cross multiply
    365.62x = 547.92 × 262.44
  4. Step 4: Simplify right side
    365.62x = 143,798.18
  5. Step 5: Solve for x
    x = 143,798.18/365.62
  6. Step 6: Final answer
    x = 393.30

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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.