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Finding the Fourth Proportional to 1,789,777.52, 2,469,893.28 and 984,961.52

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Solution

The fourth proportional to 1,789,777.52, 2,469,893.28 and 984,961.52 is: 1,359,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,777.52 : 2,469,893.28 = 984,961.52 : x
  2. Step 2: Convert to fraction form
    1,789,777.52/2,469,893.28 = 984,961.52/x
  3. Step 3: Cross multiply
    1,789,777.52x = 2,469,893.28 × 984,961.52
  4. Step 4: Simplify right side
    1,789,777.52x = 2,432,749,839,306.59
  5. Step 5: Solve for x
    x = 2,432,749,839,306.59/1,789,777.52
  6. Step 6: Final answer
    x = 1,359,247.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.