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Finding the Fourth Proportional to 605,712.91, 835,872.34 and 333,805.94

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Solution

The fourth proportional to 605,712.91, 835,872.34 and 333,805.94 is: 460,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,712.91 : 835,872.34 = 333,805.94 : x
  2. Step 2: Convert to fraction form
    605,712.91/835,872.34 = 333,805.94/x
  3. Step 3: Cross multiply
    605,712.91x = 835,872.34 × 333,805.94
  4. Step 4: Simplify right side
    605,712.91x = 279,019,152,173.70
  5. Step 5: Solve for x
    x = 279,019,152,173.70/605,712.91
  6. Step 6: Final answer
    x = 460,645.87

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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.