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Finding the Fourth Proportional to 362,237.65, 543,338.94 and 137,580.55

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Solution

The fourth proportional to 362,237.65, 543,338.94 and 137,580.55 is: 206,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,237.65 : 543,338.94 = 137,580.55 : x
  2. Step 2: Convert to fraction form
    362,237.65/543,338.94 = 137,580.55/x
  3. Step 3: Cross multiply
    362,237.65x = 543,338.94 × 137,580.55
  4. Step 4: Simplify right side
    362,237.65x = 74,752,870,201.62
  5. Step 5: Solve for x
    x = 74,752,870,201.62/362,237.65
  6. Step 6: Final answer
    x = 206,364.17

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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.