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Finding the Fourth Proportional to 337.24, 505.41 and 314.20

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Solution

The fourth proportional to 337.24, 505.41 and 314.20 is: 470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.24 : 505.41 = 314.20 : x
  2. Step 2: Convert to fraction form
    337.24/505.41 = 314.20/x
  3. Step 3: Cross multiply
    337.24x = 505.41 × 314.20
  4. Step 4: Simplify right side
    337.24x = 158,799.82
  5. Step 5: Solve for x
    x = 158,799.82/337.24
  6. Step 6: Final answer
    x = 470.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.