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Finding the Fourth Proportional to 629,299.92, 943,200.20 and 362,507.78

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Solution

The fourth proportional to 629,299.92, 943,200.20 and 362,507.78 is: 543,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,299.92 : 943,200.20 = 362,507.78 : x
  2. Step 2: Convert to fraction form
    629,299.92/943,200.20 = 362,507.78/x
  3. Step 3: Cross multiply
    629,299.92x = 943,200.20 × 362,507.78
  4. Step 4: Simplify right side
    629,299.92x = 341,917,410,597.56
  5. Step 5: Solve for x
    x = 341,917,410,597.56/629,299.92
  6. Step 6: Final answer
    x = 543,329.82

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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.