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Finding the Fourth Proportional to 552,563.28, 827,747.52 and 425,763.60

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Solution

The fourth proportional to 552,563.28, 827,747.52 and 425,763.60 is: 637,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,563.28 : 827,747.52 = 425,763.60 : x
  2. Step 2: Convert to fraction form
    552,563.28/827,747.52 = 425,763.60/x
  3. Step 3: Cross multiply
    552,563.28x = 827,747.52 × 425,763.60
  4. Step 4: Simplify right side
    552,563.28x = 352,424,764,006.27
  5. Step 5: Solve for x
    x = 352,424,764,006.27/552,563.28
  6. Step 6: Final answer
    x = 637,799.83

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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.