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Finding the Fourth Proportional to 362,599.26, 543,816.87 and 137,879.55

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Solution

The fourth proportional to 362,599.26, 543,816.87 and 137,879.55 is: 206,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,599.26 : 543,816.87 = 137,879.55 : x
  2. Step 2: Convert to fraction form
    362,599.26/543,816.87 = 137,879.55/x
  3. Step 3: Cross multiply
    362,599.26x = 543,816.87 × 137,879.55
  4. Step 4: Simplify right side
    362,599.26x = 74,981,225,318.01
  5. Step 5: Solve for x
    x = 74,981,225,318.01/362,599.26
  6. Step 6: Final answer
    x = 206,788.14

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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.