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Finding the Fourth Proportional to 629,894.11, 945,233.01 and 255,917.11

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Solution

The fourth proportional to 629,894.11, 945,233.01 and 255,917.11 is: 384,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,894.11 : 945,233.01 = 255,917.11 : x
  2. Step 2: Convert to fraction form
    629,894.11/945,233.01 = 255,917.11/x
  3. Step 3: Cross multiply
    629,894.11x = 945,233.01 × 255,917.11
  4. Step 4: Simplify right side
    629,894.11x = 241,901,301,183.85
  5. Step 5: Solve for x
    x = 241,901,301,183.85/629,894.11
  6. Step 6: Final answer
    x = 384,034.87

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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.