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Finding the Fourth Proportional to 367.02, 550.77 and 245.34

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Solution

The fourth proportional to 367.02, 550.77 and 245.34 is: 368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.02 : 550.77 = 245.34 : x
  2. Step 2: Convert to fraction form
    367.02/550.77 = 245.34/x
  3. Step 3: Cross multiply
    367.02x = 550.77 × 245.34
  4. Step 4: Simplify right side
    367.02x = 135,125.91
  5. Step 5: Solve for x
    x = 135,125.91/367.02
  6. Step 6: Final answer
    x = 368.17

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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.