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Finding the Fourth Proportional to 605,687.92, 835,849.35 and 351,186.73

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Solution

The fourth proportional to 605,687.92, 835,849.35 and 351,186.73 is: 484,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,687.92 : 835,849.35 = 351,186.73 : x
  2. Step 2: Convert to fraction form
    605,687.92/835,849.35 = 351,186.73/x
  3. Step 3: Cross multiply
    605,687.92x = 835,849.35 × 351,186.73
  4. Step 4: Simplify right side
    605,687.92x = 293,539,199,999.13
  5. Step 5: Solve for x
    x = 293,539,199,999.13/605,687.92
  6. Step 6: Final answer
    x = 484,637.70

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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.