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Finding the Fourth Proportional to 362,222.60, 543,406.80 and 125,516.30

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Solution

The fourth proportional to 362,222.60, 543,406.80 and 125,516.30 is: 188,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,222.60 : 543,406.80 = 125,516.30 : x
  2. Step 2: Convert to fraction form
    362,222.60/543,406.80 = 125,516.30/x
  3. Step 3: Cross multiply
    362,222.60x = 543,406.80 × 125,516.30
  4. Step 4: Simplify right side
    362,222.60x = 68,206,410,930.84
  5. Step 5: Solve for x
    x = 68,206,410,930.84/362,222.60
  6. Step 6: Final answer
    x = 188,299.71

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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.