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Finding the Fourth Proportional to 360,884.92, 541,382.04 and 261,792.86

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Solution

The fourth proportional to 360,884.92, 541,382.04 and 261,792.86 is: 392,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,884.92 : 541,382.04 = 261,792.86 : x
  2. Step 2: Convert to fraction form
    360,884.92/541,382.04 = 261,792.86/x
  3. Step 3: Cross multiply
    360,884.92x = 541,382.04 × 261,792.86
  4. Step 4: Simplify right side
    360,884.92x = 141,729,952,604.23
  5. Step 5: Solve for x
    x = 141,729,952,604.23/360,884.92
  6. Step 6: Final answer
    x = 392,728.94

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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.