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Finding the Fourth Proportional to 655,190.96, 982,791.90 and 181,913.22

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Solution

The fourth proportional to 655,190.96, 982,791.90 and 181,913.22 is: 272,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,190.96 : 982,791.90 = 181,913.22 : x
  2. Step 2: Convert to fraction form
    655,190.96/982,791.90 = 181,913.22/x
  3. Step 3: Cross multiply
    655,190.96x = 982,791.90 × 181,913.22
  4. Step 4: Simplify right side
    655,190.96x = 178,782,839,118.92
  5. Step 5: Solve for x
    x = 178,782,839,118.92/655,190.96
  6. Step 6: Final answer
    x = 272,871.35

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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.