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Finding the Fourth Proportional to 609,879.09, 841,651.59 and 337,921.56

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Solution

The fourth proportional to 609,879.09, 841,651.59 and 337,921.56 is: 466,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,879.09 : 841,651.59 = 337,921.56 : x
  2. Step 2: Convert to fraction form
    609,879.09/841,651.59 = 337,921.56/x
  3. Step 3: Cross multiply
    609,879.09x = 841,651.59 × 337,921.56
  4. Step 4: Simplify right side
    609,879.09x = 284,412,218,269.28
  5. Step 5: Solve for x
    x = 284,412,218,269.28/609,879.09
  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.