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Finding the Fourth Proportional to 624,474.74, 861,777.24 and 337,994.66

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Solution

The fourth proportional to 624,474.74, 861,777.24 and 337,994.66 is: 466,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,474.74 : 861,777.24 = 337,994.66 : x
  2. Step 2: Convert to fraction form
    624,474.74/861,777.24 = 337,994.66/x
  3. Step 3: Cross multiply
    624,474.74x = 861,777.24 × 337,994.66
  4. Step 4: Simplify right side
    624,474.74x = 291,276,105,229.54
  5. Step 5: Solve for x
    x = 291,276,105,229.54/624,474.74
  6. Step 6: Final answer
    x = 466,433.77

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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.