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Finding the Fourth Proportional to 308,382.15, 462,976.07 and 247,624.86

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Solution

The fourth proportional to 308,382.15, 462,976.07 and 247,624.86 is: 371,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,382.15 : 462,976.07 = 247,624.86 : x
  2. Step 2: Convert to fraction form
    308,382.15/462,976.07 = 247,624.86/x
  3. Step 3: Cross multiply
    308,382.15x = 462,976.07 × 247,624.86
  4. Step 4: Simplify right side
    308,382.15x = 114,644,384,517.10
  5. Step 5: Solve for x
    x = 114,644,384,517.10/308,382.15
  6. Step 6: Final answer
    x = 371,760.77

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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.