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Finding the Fourth Proportional to 336.74, 505.26 and 174.33

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Solution

The fourth proportional to 336.74, 505.26 and 174.33 is: 261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.74 : 505.26 = 174.33 : x
  2. Step 2: Convert to fraction form
    336.74/505.26 = 174.33/x
  3. Step 3: Cross multiply
    336.74x = 505.26 × 174.33
  4. Step 4: Simplify right side
    336.74x = 88,081.98
  5. Step 5: Solve for x
    x = 88,081.98/336.74
  6. Step 6: Final answer
    x = 261.58

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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.