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Finding the Fourth Proportional to 662,940.44, 994,905.92 and 449,201.59

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Solution

The fourth proportional to 662,940.44, 994,905.92 and 449,201.59 is: 674,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,940.44 : 994,905.92 = 449,201.59 : x
  2. Step 2: Convert to fraction form
    662,940.44/994,905.92 = 449,201.59/x
  3. Step 3: Cross multiply
    662,940.44x = 994,905.92 × 449,201.59
  4. Step 4: Simplify right side
    662,940.44x = 446,913,319,800.15
  5. Step 5: Solve for x
    x = 446,913,319,800.15/662,940.44
  6. Step 6: Final answer
    x = 674,137.97

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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.