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Finding the Fourth Proportional to 365.53, 548.01 and 183.05

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Solution

The fourth proportional to 365.53, 548.01 and 183.05 is: 274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.53 : 548.01 = 183.05 : x
  2. Step 2: Convert to fraction form
    365.53/548.01 = 183.05/x
  3. Step 3: Cross multiply
    365.53x = 548.01 × 183.05
  4. Step 4: Simplify right side
    365.53x = 100,313.23
  5. Step 5: Solve for x
    x = 100,313.23/365.53
  6. Step 6: Final answer
    x = 274.43

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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.