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Finding the Fourth Proportional to 264.52, 396.96 and 156.16

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Solution

The fourth proportional to 264.52, 396.96 and 156.16 is: 234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.52 : 396.96 = 156.16 : x
  2. Step 2: Convert to fraction form
    264.52/396.96 = 156.16/x
  3. Step 3: Cross multiply
    264.52x = 396.96 × 156.16
  4. Step 4: Simplify right side
    264.52x = 61,989.27
  5. Step 5: Solve for x
    x = 61,989.27/264.52
  6. Step 6: Final answer
    x = 234.35

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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.