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Finding the Fourth Proportional to 412,361.79, 569,058.39 and 251,216.73

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Solution

The fourth proportional to 412,361.79, 569,058.39 and 251,216.73 is: 346,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,361.79 : 569,058.39 = 251,216.73 : x
  2. Step 2: Convert to fraction form
    412,361.79/569,058.39 = 251,216.73/x
  3. Step 3: Cross multiply
    412,361.79x = 569,058.39 × 251,216.73
  4. Step 4: Simplify right side
    412,361.79x = 142,956,987,914.87
  5. Step 5: Solve for x
    x = 142,956,987,914.87/412,361.79
  6. Step 6: Final answer
    x = 346,678.55

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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.