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Finding the Fourth Proportional to 629,297.91, 943,197.21 and 362,505.78

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Solution

The fourth proportional to 629,297.91, 943,197.21 and 362,505.78 is: 543,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,297.91 : 943,197.21 = 362,505.78 : x
  2. Step 2: Convert to fraction form
    629,297.91/943,197.21 = 362,505.78/x
  3. Step 3: Cross multiply
    629,297.91x = 943,197.21 × 362,505.78
  4. Step 4: Simplify right side
    629,297.91x = 341,914,440,304.87
  5. Step 5: Solve for x
    x = 341,914,440,304.87/629,297.91
  6. Step 6: Final answer
    x = 543,326.83

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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.