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Finding the Fourth Proportional to 312.26, 467.98 and 175.24

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Solution

The fourth proportional to 312.26, 467.98 and 175.24 is: 262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.26 : 467.98 = 175.24 : x
  2. Step 2: Convert to fraction form
    312.26/467.98 = 175.24/x
  3. Step 3: Cross multiply
    312.26x = 467.98 × 175.24
  4. Step 4: Simplify right side
    312.26x = 82,008.82
  5. Step 5: Solve for x
    x = 82,008.82/312.26
  6. Step 6: Final answer
    x = 262.63

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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.