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Finding the Fourth Proportional to 416,362.80, 624,722.40 and 132,076.56

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Solution

The fourth proportional to 416,362.80, 624,722.40 and 132,076.56 is: 198,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,362.80 : 624,722.40 = 132,076.56 : x
  2. Step 2: Convert to fraction form
    416,362.80/624,722.40 = 132,076.56/x
  3. Step 3: Cross multiply
    416,362.80x = 624,722.40 × 132,076.56
  4. Step 4: Simplify right side
    416,362.80x = 82,511,185,546.94
  5. Step 5: Solve for x
    x = 82,511,185,546.94/416,362.80
  6. Step 6: Final answer
    x = 198,171.37

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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.