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Finding the Fourth Proportional to 622,350, 858,791.97 and 350,330.94

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Solution

The fourth proportional to 622,350, 858,791.97 and 350,330.94 is: 483,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,350 : 858,791.97 = 350,330.94 : x
  2. Step 2: Convert to fraction form
    622,350/858,791.97 = 350,330.94/x
  3. Step 3: Cross multiply
    622,350x = 858,791.97 × 350,330.94
  4. Step 4: Simplify right side
    622,350x = 300,861,398,114.55
  5. Step 5: Solve for x
    x = 300,861,398,114.55/622,350
  6. Step 6: Final answer
    x = 483,427.97

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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.