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Finding the Fourth Proportional to 624,066.80, 861,208.52 and 337,580.73

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Solution

The fourth proportional to 624,066.80, 861,208.52 and 337,580.73 is: 465,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,066.80 : 861,208.52 = 337,580.73 : x
  2. Step 2: Convert to fraction form
    624,066.80/861,208.52 = 337,580.73/x
  3. Step 3: Cross multiply
    624,066.80x = 861,208.52 × 337,580.73
  4. Step 4: Simplify right side
    624,066.80x = 290,727,399,175.92
  5. Step 5: Solve for x
    x = 290,727,399,175.92/624,066.80
  6. Step 6: Final answer
    x = 465,859.43

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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.