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Finding the Fourth Proportional to 4,764,709.78, 7,147,046.44 and 1,352,996.46

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Solution

The fourth proportional to 4,764,709.78, 7,147,046.44 and 1,352,996.46 is: 2,029,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764,709.78 : 7,147,046.44 = 1,352,996.46 : x
  2. Step 2: Convert to fraction form
    4,764,709.78/7,147,046.44 = 1,352,996.46/x
  3. Step 3: Cross multiply
    4,764,709.78x = 7,147,046.44 × 1,352,996.46
  4. Step 4: Simplify right side
    4,764,709.78x = 9,669,928,534,466.85
  5. Step 5: Solve for x
    x = 9,669,928,534,466.85/4,764,709.78
  6. Step 6: Final answer
    x = 2,029,489.51

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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.