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Finding the Fourth Proportional to 337.16, 505.49 and 161.37

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Solution

The fourth proportional to 337.16, 505.49 and 161.37 is: 241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.16 : 505.49 = 161.37 : x
  2. Step 2: Convert to fraction form
    337.16/505.49 = 161.37/x
  3. Step 3: Cross multiply
    337.16x = 505.49 × 161.37
  4. Step 4: Simplify right side
    337.16x = 81,570.11
  5. Step 5: Solve for x
    x = 81,570.11/337.16
  6. Step 6: Final answer
    x = 241.94

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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.