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Finding the Fourth Proportional to 605,121.08, 835,060.20 and 333,183.30

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Solution

The fourth proportional to 605,121.08, 835,060.20 and 333,183.30 is: 459,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,121.08 : 835,060.20 = 333,183.30 : x
  2. Step 2: Convert to fraction form
    605,121.08/835,060.20 = 333,183.30/x
  3. Step 3: Cross multiply
    605,121.08x = 835,060.20 × 333,183.30
  4. Step 4: Simplify right side
    605,121.08x = 278,228,113,134.66
  5. Step 5: Solve for x
    x = 278,228,113,134.66/605,121.08
  6. Step 6: Final answer
    x = 459,789.16

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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.