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Finding the Fourth Proportional to 618,060.78, 927,018.27 and 162,698.22

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Solution

The fourth proportional to 618,060.78, 927,018.27 and 162,698.22 is: 244,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,060.78 : 927,018.27 = 162,698.22 : x
  2. Step 2: Convert to fraction form
    618,060.78/927,018.27 = 162,698.22/x
  3. Step 3: Cross multiply
    618,060.78x = 927,018.27 × 162,698.22
  4. Step 4: Simplify right side
    618,060.78x = 150,824,222,436.48
  5. Step 5: Solve for x
    x = 150,824,222,436.48/618,060.78
  6. Step 6: Final answer
    x = 244,028.14

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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.