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Finding the Fourth Proportional to 590,960.57, 886,581.19 and 191,601.61

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Solution

The fourth proportional to 590,960.57, 886,581.19 and 191,601.61 is: 287,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,960.57 : 886,581.19 = 191,601.61 : x
  2. Step 2: Convert to fraction form
    590,960.57/886,581.19 = 191,601.61/x
  3. Step 3: Cross multiply
    590,960.57x = 886,581.19 × 191,601.61
  4. Step 4: Simplify right side
    590,960.57x = 169,870,383,399.72
  5. Step 5: Solve for x
    x = 169,870,383,399.72/590,960.57
  6. Step 6: Final answer
    x = 287,447.91

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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.