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Finding the Fourth Proportional to 264.26, 396.06 and 187.10

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Solution

The fourth proportional to 264.26, 396.06 and 187.10 is: 280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.26 : 396.06 = 187.10 : x
  2. Step 2: Convert to fraction form
    264.26/396.06 = 187.10/x
  3. Step 3: Cross multiply
    264.26x = 396.06 × 187.10
  4. Step 4: Simplify right side
    264.26x = 74,102.83
  5. Step 5: Solve for x
    x = 74,102.83/264.26
  6. Step 6: Final answer
    x = 280.42

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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.