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Finding the Fourth Proportional to 375.44, 517.68 and 244.40

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Solution

The fourth proportional to 375.44, 517.68 and 244.40 is: 336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.44 : 517.68 = 244.40 : x
  2. Step 2: Convert to fraction form
    375.44/517.68 = 244.40/x
  3. Step 3: Cross multiply
    375.44x = 517.68 × 244.40
  4. Step 4: Simplify right side
    375.44x = 126,520.99
  5. Step 5: Solve for x
    x = 126,520.99/375.44
  6. Step 6: Final answer
    x = 336.99

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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.