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Finding the Fourth Proportional to 375.55, 518.01 and 244.55

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Solution

The fourth proportional to 375.55, 518.01 and 244.55 is: 337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.55 : 518.01 = 244.55 : x
  2. Step 2: Convert to fraction form
    375.55/518.01 = 244.55/x
  3. Step 3: Cross multiply
    375.55x = 518.01 × 244.55
  4. Step 4: Simplify right side
    375.55x = 126,679.72
  5. Step 5: Solve for x
    x = 126,679.72/375.55
  6. Step 6: Final answer
    x = 337.32

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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.