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Finding the Fourth Proportional to 605,705.27, 835,909.85 and 333,772.70

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Solution

The fourth proportional to 605,705.27, 835,909.85 and 333,772.70 is: 460,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,705.27 : 835,909.85 = 333,772.70 : x
  2. Step 2: Convert to fraction form
    605,705.27/835,909.85 = 333,772.70/x
  3. Step 3: Cross multiply
    605,705.27x = 835,909.85 × 333,772.70
  4. Step 4: Simplify right side
    605,705.27x = 279,003,884,245.98
  5. Step 5: Solve for x
    x = 279,003,884,245.98/605,705.27
  6. Step 6: Final answer
    x = 460,626.48

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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.