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Finding the Fourth Proportional to 609,879.36, 841,620.92 and 337,944.86

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Solution

The fourth proportional to 609,879.36, 841,620.92 and 337,944.86 is: 466,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,879.36 : 841,620.92 = 337,944.86 : x
  2. Step 2: Convert to fraction form
    609,879.36/841,620.92 = 337,944.86/x
  3. Step 3: Cross multiply
    609,879.36x = 841,620.92 × 337,944.86
  4. Step 4: Simplify right side
    609,879.36x = 284,421,463,982.47
  5. Step 5: Solve for x
    x = 284,421,463,982.47/609,879.36
  6. Step 6: Final answer
    x = 466,356.93

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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.