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Finding the Fourth Proportional to 408,485.28, 612,183.60 and 183,797.76

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Solution

The fourth proportional to 408,485.28, 612,183.60 and 183,797.76 is: 275,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,485.28 : 612,183.60 = 183,797.76 : x
  2. Step 2: Convert to fraction form
    408,485.28/612,183.60 = 183,797.76/x
  3. Step 3: Cross multiply
    408,485.28x = 612,183.60 × 183,797.76
  4. Step 4: Simplify right side
    408,485.28x = 112,517,974,388.74
  5. Step 5: Solve for x
    x = 112,517,974,388.74/408,485.28
  6. Step 6: Final answer
    x = 275,451.72

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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.