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Finding the Fourth Proportional to 331,311.92, 495,986.13 and 204,544.58

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Solution

The fourth proportional to 331,311.92, 495,986.13 and 204,544.58 is: 306,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,311.92 : 495,986.13 = 204,544.58 : x
  2. Step 2: Convert to fraction form
    331,311.92/495,986.13 = 204,544.58/x
  3. Step 3: Cross multiply
    331,311.92x = 495,986.13 × 204,544.58
  4. Step 4: Simplify right side
    331,311.92x = 101,451,272,166.75
  5. Step 5: Solve for x
    x = 101,451,272,166.75/331,311.92
  6. Step 6: Final answer
    x = 306,210.76

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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.