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Finding the Fourth Proportional to 407,563.92, 611,149.25 and 170,843.04

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Solution

The fourth proportional to 407,563.92, 611,149.25 and 170,843.04 is: 256,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,563.92 : 611,149.25 = 170,843.04 : x
  2. Step 2: Convert to fraction form
    407,563.92/611,149.25 = 170,843.04/x
  3. Step 3: Cross multiply
    407,563.92x = 611,149.25 × 170,843.04
  4. Step 4: Simplify right side
    407,563.92x = 104,410,596,190.83
  5. Step 5: Solve for x
    x = 104,410,596,190.83/407,563.92
  6. Step 6: Final answer
    x = 256,182.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.