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Finding the Fourth Proportional to 629,367.67, 943,953.55 and 345,198.00

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Solution

The fourth proportional to 629,367.67, 943,953.55 and 345,198.00 is: 517,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,367.67 : 943,953.55 = 345,198.00 : x
  2. Step 2: Convert to fraction form
    629,367.67/943,953.55 = 345,198.00/x
  3. Step 3: Cross multiply
    629,367.67x = 943,953.55 × 345,198.00
  4. Step 4: Simplify right side
    629,367.67x = 325,850,880,229.73
  5. Step 5: Solve for x
    x = 325,850,880,229.73/629,367.67
  6. Step 6: Final answer
    x = 517,743.28

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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.