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Finding the Fourth Proportional to 279,266.67, 419,110.47 and 204,577.92

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Solution

The fourth proportional to 279,266.67, 419,110.47 and 204,577.92 is: 307,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,266.67 : 419,110.47 = 204,577.92 : x
  2. Step 2: Convert to fraction form
    279,266.67/419,110.47 = 204,577.92/x
  3. Step 3: Cross multiply
    279,266.67x = 419,110.47 × 204,577.92
  4. Step 4: Simplify right side
    279,266.67x = 85,740,748,202.82
  5. Step 5: Solve for x
    x = 85,740,748,202.82/279,266.67
  6. Step 6: Final answer
    x = 307,021.06

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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.