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Finding the Fourth Proportional to 655,181.19, 982,777.23 and 205,892.01

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Solution

The fourth proportional to 655,181.19, 982,777.23 and 205,892.01 is: 308,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,181.19 : 982,777.23 = 205,892.01 : x
  2. Step 2: Convert to fraction form
    655,181.19/982,777.23 = 205,892.01/x
  3. Step 3: Cross multiply
    655,181.19x = 982,777.23 × 205,892.01
  4. Step 4: Simplify right side
    655,181.19x = 202,345,979,266.93
  5. Step 5: Solve for x
    x = 202,345,979,266.93/655,181.19
  6. Step 6: Final answer
    x = 308,839.73

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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.