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Finding the Fourth Proportional to 335.73, 463.34 and 211.38

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Solution

The fourth proportional to 335.73, 463.34 and 211.38 is: 291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.73 : 463.34 = 211.38 : x
  2. Step 2: Convert to fraction form
    335.73/463.34 = 211.38/x
  3. Step 3: Cross multiply
    335.73x = 463.34 × 211.38
  4. Step 4: Simplify right side
    335.73x = 97,940.81
  5. Step 5: Solve for x
    x = 97,940.81/335.73
  6. Step 6: Final answer
    x = 291.72

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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.