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Finding the Fourth Proportional to 618,662.60, 927,999.38 and 244,685.64

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Solution

The fourth proportional to 618,662.60, 927,999.38 and 244,685.64 is: 367,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,662.60 : 927,999.38 = 244,685.64 : x
  2. Step 2: Convert to fraction form
    618,662.60/927,999.38 = 244,685.64/x
  3. Step 3: Cross multiply
    618,662.60x = 927,999.38 × 244,685.64
  4. Step 4: Simplify right side
    618,662.60x = 227,068,122,214.90
  5. Step 5: Solve for x
    x = 227,068,122,214.90/618,662.60
  6. Step 6: Final answer
    x = 367,030.63

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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.