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Finding the Fourth Proportional to 250.63, 376.11 and 173.56

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Solution

The fourth proportional to 250.63, 376.11 and 173.56 is: 260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.63 : 376.11 = 173.56 : x
  2. Step 2: Convert to fraction form
    250.63/376.11 = 173.56/x
  3. Step 3: Cross multiply
    250.63x = 376.11 × 173.56
  4. Step 4: Simplify right side
    250.63x = 65,277.65
  5. Step 5: Solve for x
    x = 65,277.65/250.63
  6. Step 6: Final answer
    x = 260.45

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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.