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Finding the Fourth Proportional to 629,488.50, 943,560.36 and 359,034.27

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Solution

The fourth proportional to 629,488.50, 943,560.36 and 359,034.27 is: 538,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,488.50 : 943,560.36 = 359,034.27 : x
  2. Step 2: Convert to fraction form
    629,488.50/943,560.36 = 359,034.27/x
  3. Step 3: Cross multiply
    629,488.50x = 943,560.36 × 359,034.27
  4. Step 4: Simplify right side
    629,488.50x = 338,770,505,053.54
  5. Step 5: Solve for x
    x = 338,770,505,053.54/629,488.50
  6. Step 6: Final answer
    x = 538,167.90

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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.