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Finding the Fourth Proportional to 340.11, 469.13 and 241.92

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Solution

The fourth proportional to 340.11, 469.13 and 241.92 is: 333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.11 : 469.13 = 241.92 : x
  2. Step 2: Convert to fraction form
    340.11/469.13 = 241.92/x
  3. Step 3: Cross multiply
    340.11x = 469.13 × 241.92
  4. Step 4: Simplify right side
    340.11x = 113,490.72
  5. Step 5: Solve for x
    x = 113,490.72/340.11
  6. Step 6: Final answer
    x = 333.69

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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.