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Finding the Fourth Proportional to 598,912.68, 826,486.65 and 326,967.33

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Solution

The fourth proportional to 598,912.68, 826,486.65 and 326,967.33 is: 451,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,912.68 : 826,486.65 = 326,967.33 : x
  2. Step 2: Convert to fraction form
    598,912.68/826,486.65 = 326,967.33/x
  3. Step 3: Cross multiply
    598,912.68x = 826,486.65 × 326,967.33
  4. Step 4: Simplify right side
    598,912.68x = 270,234,133,231.15
  5. Step 5: Solve for x
    x = 270,234,133,231.15/598,912.68
  6. Step 6: Final answer
    x = 451,207.90

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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.