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Finding the Fourth Proportional to 408,025.80, 611,747.10 and 183,202.20

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Solution

The fourth proportional to 408,025.80, 611,747.10 and 183,202.20 is: 274,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,025.80 : 611,747.10 = 183,202.20 : x
  2. Step 2: Convert to fraction form
    408,025.80/611,747.10 = 183,202.20/x
  3. Step 3: Cross multiply
    408,025.80x = 611,747.10 × 183,202.20
  4. Step 4: Simplify right side
    408,025.80x = 112,073,414,563.62
  5. Step 5: Solve for x
    x = 112,073,414,563.62/408,025.80
  6. Step 6: Final answer
    x = 274,672.37

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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.