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Finding the Fourth Proportional to 580,912.67, 801,662.67 and 326,263.88

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Solution

The fourth proportional to 580,912.67, 801,662.67 and 326,263.88 is: 450,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,912.67 : 801,662.67 = 326,263.88 : x
  2. Step 2: Convert to fraction form
    580,912.67/801,662.67 = 326,263.88/x
  3. Step 3: Cross multiply
    580,912.67x = 801,662.67 × 326,263.88
  4. Step 4: Simplify right side
    580,912.67x = 261,553,569,157.05
  5. Step 5: Solve for x
    x = 261,553,569,157.05/580,912.67
  6. Step 6: Final answer
    x = 450,245.94

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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.