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Finding the Fourth Proportional to 375, 517.74 and 237.24

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Solution

The fourth proportional to 375, 517.74 and 237.24 is: 327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375 : 517.74 = 237.24 : x
  2. Step 2: Convert to fraction form
    375/517.74 = 237.24/x
  3. Step 3: Cross multiply
    375x = 517.74 × 237.24
  4. Step 4: Simplify right side
    375x = 122,828.64
  5. Step 5: Solve for x
    x = 122,828.64/375
  6. Step 6: Final answer
    x = 327.54

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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.