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Finding the Fourth Proportional to 264.56, 396.12 and 173.03

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Solution

The fourth proportional to 264.56, 396.12 and 173.03 is: 259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.56 : 396.12 = 173.03 : x
  2. Step 2: Convert to fraction form
    264.56/396.12 = 173.03/x
  3. Step 3: Cross multiply
    264.56x = 396.12 × 173.03
  4. Step 4: Simplify right side
    264.56x = 68,538.66
  5. Step 5: Solve for x
    x = 68,538.66/264.56
  6. Step 6: Final answer
    x = 259.07

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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.