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Finding the Fourth Proportional to 408,982.96, 564,356.28 and 239,183.92

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Solution

The fourth proportional to 408,982.96, 564,356.28 and 239,183.92 is: 330,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,982.96 : 564,356.28 = 239,183.92 : x
  2. Step 2: Convert to fraction form
    408,982.96/564,356.28 = 239,183.92/x
  3. Step 3: Cross multiply
    408,982.96x = 564,356.28 × 239,183.92
  4. Step 4: Simplify right side
    408,982.96x = 134,984,947,327.02
  5. Step 5: Solve for x
    x = 134,984,947,327.02/408,982.96
  6. Step 6: Final answer
    x = 330,050.30

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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.