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Finding the Fourth Proportional to 394,580.22, 544,520.44 and 213,292.14

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Solution

The fourth proportional to 394,580.22, 544,520.44 and 213,292.14 is: 294,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,580.22 : 544,520.44 = 213,292.14 : x
  2. Step 2: Convert to fraction form
    394,580.22/544,520.44 = 213,292.14/x
  3. Step 3: Cross multiply
    394,580.22x = 544,520.44 × 213,292.14
  4. Step 4: Simplify right side
    394,580.22x = 116,141,929,921.34
  5. Step 5: Solve for x
    x = 116,141,929,921.34/394,580.22
  6. Step 6: Final answer
    x = 294,343.01

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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.