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Finding the Fourth Proportional to 431,331.72, 595,229.80 and 235,099.89

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Solution

The fourth proportional to 431,331.72, 595,229.80 and 235,099.89 is: 324,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,331.72 : 595,229.80 = 235,099.89 : x
  2. Step 2: Convert to fraction form
    431,331.72/595,229.80 = 235,099.89/x
  3. Step 3: Cross multiply
    431,331.72x = 595,229.80 × 235,099.89
  4. Step 4: Simplify right side
    431,331.72x = 139,938,460,504.72
  5. Step 5: Solve for x
    x = 139,938,460,504.72/431,331.72
  6. Step 6: Final answer
    x = 324,433.50

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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.