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Finding the Fourth Proportional to 629,703.60, 944,512.20 and 203,233.20

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Solution

The fourth proportional to 629,703.60, 944,512.20 and 203,233.20 is: 304,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,703.60 : 944,512.20 = 203,233.20 : x
  2. Step 2: Convert to fraction form
    629,703.60/944,512.20 = 203,233.20/x
  3. Step 3: Cross multiply
    629,703.60x = 944,512.20 × 203,233.20
  4. Step 4: Simplify right side
    629,703.60x = 191,956,236,845.04
  5. Step 5: Solve for x
    x = 191,956,236,845.04/629,703.60
  6. Step 6: Final answer
    x = 304,835.86

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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.