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Finding the Fourth Proportional to 655,011.72, 982,517.42 and 181,697.08

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Solution

The fourth proportional to 655,011.72, 982,517.42 and 181,697.08 is: 272,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,011.72 : 982,517.42 = 181,697.08 : x
  2. Step 2: Convert to fraction form
    655,011.72/982,517.42 = 181,697.08/x
  3. Step 3: Cross multiply
    655,011.72x = 982,517.42 × 181,697.08
  4. Step 4: Simplify right side
    655,011.72x = 178,520,546,263.13
  5. Step 5: Solve for x
    x = 178,520,546,263.13/655,011.72
  6. Step 6: Final answer
    x = 272,545.58

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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.