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Finding the Fourth Proportional to 618,657.60, 927,991.88 and 244,680.64

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Solution

The fourth proportional to 618,657.60, 927,991.88 and 244,680.64 is: 367,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,657.60 : 927,991.88 = 244,680.64 : x
  2. Step 2: Convert to fraction form
    618,657.60/927,991.88 = 244,680.64/x
  3. Step 3: Cross multiply
    618,657.60x = 927,991.88 × 244,680.64
  4. Step 4: Simplify right side
    618,657.60x = 227,061,647,113.20
  5. Step 5: Solve for x
    x = 227,061,647,113.20/618,657.60
  6. Step 6: Final answer
    x = 367,023.13

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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.