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Finding the Fourth Proportional to 492,759.60, 739,139.40 and 333,327.30

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Solution

The fourth proportional to 492,759.60, 739,139.40 and 333,327.30 is: 499,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,759.60 : 739,139.40 = 333,327.30 : x
  2. Step 2: Convert to fraction form
    492,759.60/739,139.40 = 333,327.30/x
  3. Step 3: Cross multiply
    492,759.60x = 739,139.40 × 333,327.30
  4. Step 4: Simplify right side
    492,759.60x = 246,375,340,525.62
  5. Step 5: Solve for x
    x = 246,375,340,525.62/492,759.60
  6. Step 6: Final answer
    x = 499,990.95

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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.