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Finding the Fourth Proportional to 362,236.65, 543,337.44 and 137,579.55

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Solution

The fourth proportional to 362,236.65, 543,337.44 and 137,579.55 is: 206,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,236.65 : 543,337.44 = 137,579.55 : x
  2. Step 2: Convert to fraction form
    362,236.65/543,337.44 = 137,579.55/x
  3. Step 3: Cross multiply
    362,236.65x = 543,337.44 × 137,579.55
  4. Step 4: Simplify right side
    362,236.65x = 74,752,120,493.35
  5. Step 5: Solve for x
    x = 74,752,120,493.35/362,236.65
  6. Step 6: Final answer
    x = 206,362.67

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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.