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Finding the Fourth Proportional to 337.17, 464.91 and 274.88

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Solution

The fourth proportional to 337.17, 464.91 and 274.88 is: 379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.17 : 464.91 = 274.88 : x
  2. Step 2: Convert to fraction form
    337.17/464.91 = 274.88/x
  3. Step 3: Cross multiply
    337.17x = 464.91 × 274.88
  4. Step 4: Simplify right side
    337.17x = 127,794.46
  5. Step 5: Solve for x
    x = 127,794.46/337.17
  6. Step 6: Final answer
    x = 379.02

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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.