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Finding the Fourth Proportional to 264.59, 396.53 and 168.23

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Solution

The fourth proportional to 264.59, 396.53 and 168.23 is: 252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.59 : 396.53 = 168.23 : x
  2. Step 2: Convert to fraction form
    264.59/396.53 = 168.23/x
  3. Step 3: Cross multiply
    264.59x = 396.53 × 168.23
  4. Step 4: Simplify right side
    264.59x = 66,707.40
  5. Step 5: Solve for x
    x = 66,707.40/264.59
  6. Step 6: Final answer
    x = 252.12

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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.