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Finding the Fourth Proportional to 367.48, 550.16 and 245.50

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Solution

The fourth proportional to 367.48, 550.16 and 245.50 is: 367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.48 : 550.16 = 245.50 : x
  2. Step 2: Convert to fraction form
    367.48/550.16 = 245.50/x
  3. Step 3: Cross multiply
    367.48x = 550.16 × 245.50
  4. Step 4: Simplify right side
    367.48x = 135,064.28
  5. Step 5: Solve for x
    x = 135,064.28/367.48
  6. Step 6: Final answer
    x = 367.54

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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.