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Finding the Fourth Proportional to 337.46, 465.80 and 211.49

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Solution

The fourth proportional to 337.46, 465.80 and 211.49 is: 291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.46 : 465.80 = 211.49 : x
  2. Step 2: Convert to fraction form
    337.46/465.80 = 211.49/x
  3. Step 3: Cross multiply
    337.46x = 465.80 × 211.49
  4. Step 4: Simplify right side
    337.46x = 98,512.04
  5. Step 5: Solve for x
    x = 98,512.04/337.46
  6. Step 6: Final answer
    x = 291.92

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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.