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Finding the Fourth Proportional to 655,172.56, 982,764.34 and 181,894.82

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Solution

The fourth proportional to 655,172.56, 982,764.34 and 181,894.82 is: 272,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,172.56 : 982,764.34 = 181,894.82 : x
  2. Step 2: Convert to fraction form
    655,172.56/982,764.34 = 181,894.82/x
  3. Step 3: Cross multiply
    655,172.56x = 982,764.34 × 181,894.82
  4. Step 4: Simplify right side
    655,172.56x = 178,759,744,728.89
  5. Step 5: Solve for x
    x = 178,759,744,728.89/655,172.56
  6. Step 6: Final answer
    x = 272,843.76

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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.