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Finding the Fourth Proportional to 335.94, 463.35 and 211.50

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Solution

The fourth proportional to 335.94, 463.35 and 211.50 is: 291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.94 : 463.35 = 211.50 : x
  2. Step 2: Convert to fraction form
    335.94/463.35 = 211.50/x
  3. Step 3: Cross multiply
    335.94x = 463.35 × 211.50
  4. Step 4: Simplify right side
    335.94x = 97,998.53
  5. Step 5: Solve for x
    x = 97,998.53/335.94
  6. Step 6: Final answer
    x = 291.71

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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.