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Finding the Fourth Proportional to 605,690.43, 835,852.86 and 351,189.24

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Solution

The fourth proportional to 605,690.43, 835,852.86 and 351,189.24 is: 484,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,690.43 : 835,852.86 = 351,189.24 : x
  2. Step 2: Convert to fraction form
    605,690.43/835,852.86 = 351,189.24/x
  3. Step 3: Cross multiply
    605,690.43x = 835,852.86 × 351,189.24
  4. Step 4: Simplify right side
    605,690.43x = 293,542,527,520.78
  5. Step 5: Solve for x
    x = 293,542,527,520.78/605,690.43
  6. Step 6: Final answer
    x = 484,641.19

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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.