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Finding the Fourth Proportional to 335.54, 462.84 and 211.10

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Solution

The fourth proportional to 335.54, 462.84 and 211.10 is: 291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.54 : 462.84 = 211.10 : x
  2. Step 2: Convert to fraction form
    335.54/462.84 = 211.10/x
  3. Step 3: Cross multiply
    335.54x = 462.84 × 211.10
  4. Step 4: Simplify right side
    335.54x = 97,706.05
  5. Step 5: Solve for x
    x = 97,706.05/335.54
  6. Step 6: Final answer
    x = 291.19

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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.