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Finding the Fourth Proportional to 264.52, 396.27 and 172.94

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Solution

The fourth proportional to 264.52, 396.27 and 172.94 is: 259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.52 : 396.27 = 172.94 : x
  2. Step 2: Convert to fraction form
    264.52/396.27 = 172.94/x
  3. Step 3: Cross multiply
    264.52x = 396.27 × 172.94
  4. Step 4: Simplify right side
    264.52x = 68,530.93
  5. Step 5: Solve for x
    x = 68,530.93/264.52
  6. Step 6: Final answer
    x = 259.08

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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.