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Finding the Fourth Proportional to 373.96, 514.92 and 372.88

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Solution

The fourth proportional to 373.96, 514.92 and 372.88 is: 513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.96 : 514.92 = 372.88 : x
  2. Step 2: Convert to fraction form
    373.96/514.92 = 372.88/x
  3. Step 3: Cross multiply
    373.96x = 514.92 × 372.88
  4. Step 4: Simplify right side
    373.96x = 192,003.37
  5. Step 5: Solve for x
    x = 192,003.37/373.96
  6. Step 6: Final answer
    x = 513.43

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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.