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Finding the Fourth Proportional to 336.62, 504.89 and 153.97

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Solution

The fourth proportional to 336.62, 504.89 and 153.97 is: 230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.62 : 504.89 = 153.97 : x
  2. Step 2: Convert to fraction form
    336.62/504.89 = 153.97/x
  3. Step 3: Cross multiply
    336.62x = 504.89 × 153.97
  4. Step 4: Simplify right side
    336.62x = 77,735.39
  5. Step 5: Solve for x
    x = 77,735.39/336.62
  6. Step 6: Final answer
    x = 230.93

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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.