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Finding the Fourth Proportional to 629,843.16, 944,735.94 and 203,398.68

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Solution

The fourth proportional to 629,843.16, 944,735.94 and 203,398.68 is: 305,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,843.16 : 944,735.94 = 203,398.68 : x
  2. Step 2: Convert to fraction form
    629,843.16/944,735.94 = 203,398.68/x
  3. Step 3: Cross multiply
    629,843.16x = 944,735.94 × 203,398.68
  4. Step 4: Simplify right side
    629,843.16x = 192,158,043,144.56
  5. Step 5: Solve for x
    x = 192,158,043,144.56/629,843.16
  6. Step 6: Final answer
    x = 305,088.72

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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.