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Finding the Fourth Proportional to 336.95, 505.73 and 174.75

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Solution

The fourth proportional to 336.95, 505.73 and 174.75 is: 262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.95 : 505.73 = 174.75 : x
  2. Step 2: Convert to fraction form
    336.95/505.73 = 174.75/x
  3. Step 3: Cross multiply
    336.95x = 505.73 × 174.75
  4. Step 4: Simplify right side
    336.95x = 88,372.92
  5. Step 5: Solve for x
    x = 88,372.92/336.95
  6. Step 6: Final answer
    x = 262.27

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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.