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Finding the Fourth Proportional to 264.47, 396.50 and 108.27

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Solution

The fourth proportional to 264.47, 396.50 and 108.27 is: 162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.47 : 396.50 = 108.27 : x
  2. Step 2: Convert to fraction form
    264.47/396.50 = 108.27/x
  3. Step 3: Cross multiply
    264.47x = 396.50 × 108.27
  4. Step 4: Simplify right side
    264.47x = 42,928.51
  5. Step 5: Solve for x
    x = 42,928.51/264.47
  6. Step 6: Final answer
    x = 162.32

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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.