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Finding the Fourth Proportional to 492,761.60, 739,142.40 and 333,329.30

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Solution

The fourth proportional to 492,761.60, 739,142.40 and 333,329.30 is: 499,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,761.60 : 739,142.40 = 333,329.30 : x
  2. Step 2: Convert to fraction form
    492,761.60/739,142.40 = 333,329.30/x
  3. Step 3: Cross multiply
    492,761.60x = 739,142.40 × 333,329.30
  4. Step 4: Simplify right side
    492,761.60x = 246,377,818,792.32
  5. Step 5: Solve for x
    x = 246,377,818,792.32/492,761.60
  6. Step 6: Final answer
    x = 499,993.95

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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.