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Finding the Fourth Proportional to 624,202.69, 861,399.71 and 337,722.78

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Solution

The fourth proportional to 624,202.69, 861,399.71 and 337,722.78 is: 466,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,202.69 : 861,399.71 = 337,722.78 : x
  2. Step 2: Convert to fraction form
    624,202.69/861,399.71 = 337,722.78/x
  3. Step 3: Cross multiply
    624,202.69x = 861,399.71 × 337,722.78
  4. Step 4: Simplify right side
    624,202.69x = 290,914,302,566.33
  5. Step 5: Solve for x
    x = 290,914,302,566.33/624,202.69
  6. Step 6: Final answer
    x = 466,057.43

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1.5x scale

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.