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Finding the Fourth Proportional to 335.42, 461.92 and 301.94

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Solution

The fourth proportional to 335.42, 461.92 and 301.94 is: 415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.42 : 461.92 = 301.94 : x
  2. Step 2: Convert to fraction form
    335.42/461.92 = 301.94/x
  3. Step 3: Cross multiply
    335.42x = 461.92 × 301.94
  4. Step 4: Simplify right side
    335.42x = 139,471.36
  5. Step 5: Solve for x
    x = 139,471.36/335.42
  6. Step 6: Final answer
    x = 415.81

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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.