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Finding the Fourth Proportional to 375.12, 517.44 and 237.12

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Solution

The fourth proportional to 375.12, 517.44 and 237.12 is: 327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.12 : 517.44 = 237.12 : x
  2. Step 2: Convert to fraction form
    375.12/517.44 = 237.12/x
  3. Step 3: Cross multiply
    375.12x = 517.44 × 237.12
  4. Step 4: Simplify right side
    375.12x = 122,695.37
  5. Step 5: Solve for x
    x = 122,695.37/375.12
  6. Step 6: Final answer
    x = 327.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.