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Finding the Fourth Proportional to 618,273.44, 927,428.43 and 527,745.39

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Solution

The fourth proportional to 618,273.44, 927,428.43 and 527,745.39 is: 791,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,273.44 : 927,428.43 = 527,745.39 : x
  2. Step 2: Convert to fraction form
    618,273.44/927,428.43 = 527,745.39/x
  3. Step 3: Cross multiply
    618,273.44x = 927,428.43 × 527,745.39
  4. Step 4: Simplify right side
    618,273.44x = 489,446,078,487.44
  5. Step 5: Solve for x
    x = 489,446,078,487.44/618,273.44
  6. Step 6: Final answer
    x = 791,633.69

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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.