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Finding the Fourth Proportional to 336.44, 504.42 and 130.84

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Solution

The fourth proportional to 336.44, 504.42 and 130.84 is: 196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.44 : 504.42 = 130.84 : x
  2. Step 2: Convert to fraction form
    336.44/504.42 = 130.84/x
  3. Step 3: Cross multiply
    336.44x = 504.42 × 130.84
  4. Step 4: Simplify right side
    336.44x = 65,998.31
  5. Step 5: Solve for x
    x = 65,998.31/336.44
  6. Step 6: Final answer
    x = 196.17

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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.