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Finding the Fourth Proportional to 394,462.02, 544,357.75 and 213,173.90

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Solution

The fourth proportional to 394,462.02, 544,357.75 and 213,173.90 is: 294,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,462.02 : 544,357.75 = 213,173.90 : x
  2. Step 2: Convert to fraction form
    394,462.02/544,357.75 = 213,173.90/x
  3. Step 3: Cross multiply
    394,462.02x = 544,357.75 × 213,173.90
  4. Step 4: Simplify right side
    394,462.02x = 116,042,861,840.94
  5. Step 5: Solve for x
    x = 116,042,861,840.94/394,462.02
  6. Step 6: Final answer
    x = 294,180.06

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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.