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Finding the Fourth Proportional to 334.86, 502.04 and 231.86

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Solution

The fourth proportional to 334.86, 502.04 and 231.86 is: 347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.86 : 502.04 = 231.86 : x
  2. Step 2: Convert to fraction form
    334.86/502.04 = 231.86/x
  3. Step 3: Cross multiply
    334.86x = 502.04 × 231.86
  4. Step 4: Simplify right side
    334.86x = 116,400.48
  5. Step 5: Solve for x
    x = 116,400.48/334.86
  6. Step 6: Final answer
    x = 347.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.