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Finding the Fourth Proportional to 996,998.56, 1,375,851 and 544,289.56

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Solution

The fourth proportional to 996,998.56, 1,375,851 and 544,289.56 is: 751,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,998.56 : 1,375,851 = 544,289.56 : x
  2. Step 2: Convert to fraction form
    996,998.56/1,375,851 = 544,289.56/x
  3. Step 3: Cross multiply
    996,998.56x = 1,375,851 × 544,289.56
  4. Step 4: Simplify right side
    996,998.56x = 748,861,335,415.56
  5. Step 5: Solve for x
    x = 748,861,335,415.56/996,998.56
  6. Step 6: Final answer
    x = 751,115.76

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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.