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Finding the Fourth Proportional to 580,729.43, 799,552.81 and 495,504.47

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Solution

The fourth proportional to 580,729.43, 799,552.81 and 495,504.47 is: 682,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,729.43 : 799,552.81 = 495,504.47 : x
  2. Step 2: Convert to fraction form
    580,729.43/799,552.81 = 495,504.47/x
  3. Step 3: Cross multiply
    580,729.43x = 799,552.81 × 495,504.47
  4. Step 4: Simplify right side
    580,729.43x = 396,181,991,356.06
  5. Step 5: Solve for x
    x = 396,181,991,356.06/580,729.43
  6. Step 6: Final answer
    x = 682,214.42

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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.