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Finding the Fourth Proportional to 397,266.60, 595,899.90 and 366,940.20

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Solution

The fourth proportional to 397,266.60, 595,899.90 and 366,940.20 is: 550,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,266.60 : 595,899.90 = 366,940.20 : x
  2. Step 2: Convert to fraction form
    397,266.60/595,899.90 = 366,940.20/x
  3. Step 3: Cross multiply
    397,266.60x = 595,899.90 × 366,940.20
  4. Step 4: Simplify right side
    397,266.60x = 218,659,628,485.98
  5. Step 5: Solve for x
    x = 218,659,628,485.98/397,266.60
  6. Step 6: Final answer
    x = 550,410.30

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Similar ratio
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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.