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Finding the Fourth Proportional to 629,418.88, 944,121.03 and 376,769.98

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Solution

The fourth proportional to 629,418.88, 944,121.03 and 376,769.98 is: 565,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,418.88 : 944,121.03 = 376,769.98 : x
  2. Step 2: Convert to fraction form
    629,418.88/944,121.03 = 376,769.98/x
  3. Step 3: Cross multiply
    629,418.88x = 944,121.03 × 376,769.98
  4. Step 4: Simplify right side
    629,418.88x = 355,716,461,590.68
  5. Step 5: Solve for x
    x = 355,716,461,590.68/629,418.88
  6. Step 6: Final answer
    x = 565,150.61

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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.