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Finding the Fourth Proportional to 362,609.62, 543,914.41 and 137,918.15

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Solution

The fourth proportional to 362,609.62, 543,914.41 and 137,918.15 is: 206,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,609.62 : 543,914.41 = 137,918.15 : x
  2. Step 2: Convert to fraction form
    362,609.62/543,914.41 = 137,918.15/x
  3. Step 3: Cross multiply
    362,609.62x = 543,914.41 × 137,918.15
  4. Step 4: Simplify right side
    362,609.62x = 75,015,669,185.54
  5. Step 5: Solve for x
    x = 75,015,669,185.54/362,609.62
  6. Step 6: Final answer
    x = 206,877.22

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1.5x scale

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.