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Finding the Fourth Proportional to 431,331.22, 595,229.11 and 235,099.39

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Solution

The fourth proportional to 431,331.22, 595,229.11 and 235,099.39 is: 324,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,331.22 : 595,229.11 = 235,099.39 : x
  2. Step 2: Convert to fraction form
    431,331.22/595,229.11 = 235,099.39/x
  3. Step 3: Cross multiply
    431,331.22x = 595,229.11 × 235,099.39
  4. Step 4: Simplify right side
    431,331.22x = 139,938,000,671.24
  5. Step 5: Solve for x
    x = 139,938,000,671.24/431,331.22
  6. Step 6: Final answer
    x = 324,432.81

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1.5x scale

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.