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Finding the Fourth Proportional to 362,843.70, 500,532.93 and 215,584.62

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Solution

The fourth proportional to 362,843.70, 500,532.93 and 215,584.62 is: 297,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,843.70 : 500,532.93 = 215,584.62 : x
  2. Step 2: Convert to fraction form
    362,843.70/500,532.93 = 215,584.62/x
  3. Step 3: Cross multiply
    362,843.70x = 500,532.93 × 215,584.62
  4. Step 4: Simplify right side
    362,843.70x = 107,907,201,511.54
  5. Step 5: Solve for x
    x = 107,907,201,511.54/362,843.70
  6. Step 6: Final answer
    x = 297,393.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.