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Finding the Fourth Proportional to 3,269,099.97, 4,904,753.49 and 1,447,213.64

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Solution

The fourth proportional to 3,269,099.97, 4,904,753.49 and 1,447,213.64 is: 2,171,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,099.97 : 4,904,753.49 = 1,447,213.64 : x
  2. Step 2: Convert to fraction form
    3,269,099.97/4,904,753.49 = 1,447,213.64/x
  3. Step 3: Cross multiply
    3,269,099.97x = 4,904,753.49 × 1,447,213.64
  4. Step 4: Simplify right side
    3,269,099.97x = 7,098,226,127,041.84
  5. Step 5: Solve for x
    x = 7,098,226,127,041.84/3,269,099.97
  6. Step 6: Final answer
    x = 2,171,308.98

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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.