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Finding the Fourth Proportional to 629,390.86, 944,168.60 and 230,219.62

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Solution

The fourth proportional to 629,390.86, 944,168.60 and 230,219.62 is: 345,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,390.86 : 944,168.60 = 230,219.62 : x
  2. Step 2: Convert to fraction form
    629,390.86/944,168.60 = 230,219.62/x
  3. Step 3: Cross multiply
    629,390.86x = 944,168.60 × 230,219.62
  4. Step 4: Simplify right side
    629,390.86x = 217,366,134,523.06
  5. Step 5: Solve for x
    x = 217,366,134,523.06/629,390.86
  6. Step 6: Final answer
    x = 345,359.54

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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.