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Finding the Fourth Proportional to 336.59, 505.14 and 163.23

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Solution

The fourth proportional to 336.59, 505.14 and 163.23 is: 244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.59 : 505.14 = 163.23 : x
  2. Step 2: Convert to fraction form
    336.59/505.14 = 163.23/x
  3. Step 3: Cross multiply
    336.59x = 505.14 × 163.23
  4. Step 4: Simplify right side
    336.59x = 82,454.00
  5. Step 5: Solve for x
    x = 82,454.00/336.59
  6. Step 6: Final answer
    x = 244.97

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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.