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Finding the Fourth Proportional to 407,616.56, 611,227.33 and 170,895.68

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Solution

The fourth proportional to 407,616.56, 611,227.33 and 170,895.68 is: 256,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,616.56 : 611,227.33 = 170,895.68 : x
  2. Step 2: Convert to fraction form
    407,616.56/611,227.33 = 170,895.68/x
  3. Step 3: Cross multiply
    407,616.56x = 611,227.33 × 170,895.68
  4. Step 4: Simplify right side
    407,616.56x = 104,456,110,194.93
  5. Step 5: Solve for x
    x = 104,456,110,194.93/407,616.56
  6. Step 6: Final answer
    x = 256,260.71

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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.