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Finding the Fourth Proportional to 337.26, 505.92 and 120.84

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Solution

The fourth proportional to 337.26, 505.92 and 120.84 is: 181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.26 : 505.92 = 120.84 : x
  2. Step 2: Convert to fraction form
    337.26/505.92 = 120.84/x
  3. Step 3: Cross multiply
    337.26x = 505.92 × 120.84
  4. Step 4: Simplify right side
    337.26x = 61,135.37
  5. Step 5: Solve for x
    x = 61,135.37/337.26
  6. Step 6: Final answer
    x = 181.27

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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.