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Finding the Fourth Proportional to 431,832.70, 595,736.40 and 250,439.50

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Solution

The fourth proportional to 431,832.70, 595,736.40 and 250,439.50 is: 345,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,832.70 : 595,736.40 = 250,439.50 : x
  2. Step 2: Convert to fraction form
    431,832.70/595,736.40 = 250,439.50/x
  3. Step 3: Cross multiply
    431,832.70x = 595,736.40 × 250,439.50
  4. Step 4: Simplify right side
    431,832.70x = 149,195,926,147.80
  5. Step 5: Solve for x
    x = 149,195,926,147.80/431,832.70
  6. Step 6: Final answer
    x = 345,494.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.