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Finding the Fourth Proportional to 609,879.12, 841,651.62 and 337,921.56

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Solution

The fourth proportional to 609,879.12, 841,651.62 and 337,921.56 is: 466,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,879.12 : 841,651.62 = 337,921.56 : x
  2. Step 2: Convert to fraction form
    609,879.12/841,651.62 = 337,921.56/x
  3. Step 3: Cross multiply
    609,879.12x = 841,651.62 × 337,921.56
  4. Step 4: Simplify right side
    609,879.12x = 284,412,228,406.93
  5. Step 5: Solve for x
    x = 284,412,228,406.93/609,879.12
  6. Step 6: Final answer
    x = 466,341.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.