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Finding the Fourth Proportional to 580,912.23, 801,734.04 and 326,263.44

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Solution

The fourth proportional to 580,912.23, 801,734.04 and 326,263.44 is: 450,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,912.23 : 801,734.04 = 326,263.44 : x
  2. Step 2: Convert to fraction form
    580,912.23/801,734.04 = 326,263.44/x
  3. Step 3: Cross multiply
    580,912.23x = 801,734.04 × 326,263.44
  4. Step 4: Simplify right side
    580,912.23x = 261,576,505,855.50
  5. Step 5: Solve for x
    x = 261,576,505,855.50/580,912.23
  6. Step 6: Final answer
    x = 450,285.76

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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.