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Finding the Fourth Proportional to 336.56, 504.84 and 153.98

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Solution

The fourth proportional to 336.56, 504.84 and 153.98 is: 230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.56 : 504.84 = 153.98 : x
  2. Step 2: Convert to fraction form
    336.56/504.84 = 153.98/x
  3. Step 3: Cross multiply
    336.56x = 504.84 × 153.98
  4. Step 4: Simplify right side
    336.56x = 77,735.26
  5. Step 5: Solve for x
    x = 77,735.26/336.56
  6. Step 6: Final answer
    x = 230.97

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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.