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Finding the Fourth Proportional to 580,936.79, 801,767.94 and 326,287.97

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Solution

The fourth proportional to 580,936.79, 801,767.94 and 326,287.97 is: 450,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,936.79 : 801,767.94 = 326,287.97 : x
  2. Step 2: Convert to fraction form
    580,936.79/801,767.94 = 326,287.97/x
  3. Step 3: Cross multiply
    580,936.79x = 801,767.94 × 326,287.97
  4. Step 4: Simplify right side
    580,936.79x = 261,607,229,544.84
  5. Step 5: Solve for x
    x = 261,607,229,544.84/580,936.79
  6. Step 6: Final answer
    x = 450,319.62

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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.