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Finding the Fourth Proportional to 337.44, 505.97 and 154.74

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Solution

The fourth proportional to 337.44, 505.97 and 154.74 is: 232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.44 : 505.97 = 154.74 : x
  2. Step 2: Convert to fraction form
    337.44/505.97 = 154.74/x
  3. Step 3: Cross multiply
    337.44x = 505.97 × 154.74
  4. Step 4: Simplify right side
    337.44x = 78,291.67
  5. Step 5: Solve for x
    x = 78,291.67/337.44
  6. Step 6: Final answer
    x = 232.02

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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.