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Finding the Fourth Proportional to 361,116.94, 541,472.81 and 247,393.21

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Solution

The fourth proportional to 361,116.94, 541,472.81 and 247,393.21 is: 370,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,116.94 : 541,472.81 = 247,393.21 : x
  2. Step 2: Convert to fraction form
    361,116.94/541,472.81 = 247,393.21/x
  3. Step 3: Cross multiply
    361,116.94x = 541,472.81 × 247,393.21
  4. Step 4: Simplify right side
    361,116.94x = 133,956,694,002.97
  5. Step 5: Solve for x
    x = 133,956,694,002.97/361,116.94
  6. Step 6: Final answer
    x = 370,951.01

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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.