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Finding the Fourth Proportional to 367.94, 552.96 and 354.31

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Solution

The fourth proportional to 367.94, 552.96 and 354.31 is: 532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.94 : 552.96 = 354.31 : x
  2. Step 2: Convert to fraction form
    367.94/552.96 = 354.31/x
  3. Step 3: Cross multiply
    367.94x = 552.96 × 354.31
  4. Step 4: Simplify right side
    367.94x = 195,917.88
  5. Step 5: Solve for x
    x = 195,917.88/367.94
  6. Step 6: Final answer
    x = 532.47

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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.