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Finding the Fourth Proportional to 605,705.86, 835,879.68 and 333,783.48

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Solution

The fourth proportional to 605,705.86, 835,879.68 and 333,783.48 is: 460,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,705.86 : 835,879.68 = 333,783.48 : x
  2. Step 2: Convert to fraction form
    605,705.86/835,879.68 = 333,783.48/x
  3. Step 3: Cross multiply
    605,705.86x = 835,879.68 × 333,783.48
  4. Step 4: Simplify right side
    605,705.86x = 279,002,828,451.69
  5. Step 5: Solve for x
    x = 279,002,828,451.69/605,705.86
  6. Step 6: Final answer
    x = 460,624.29

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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.