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Finding the Fourth Proportional to 334.11, 461.29 and 299.08

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Solution

The fourth proportional to 334.11, 461.29 and 299.08 is: 412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.11 : 461.29 = 299.08 : x
  2. Step 2: Convert to fraction form
    334.11/461.29 = 299.08/x
  3. Step 3: Cross multiply
    334.11x = 461.29 × 299.08
  4. Step 4: Simplify right side
    334.11x = 137,961.48
  5. Step 5: Solve for x
    x = 137,961.48/334.11
  6. Step 6: Final answer
    x = 412.92

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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.