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Finding the Fourth Proportional to 394,854.52, 544,898.67 and 222,772.25

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Solution

The fourth proportional to 394,854.52, 544,898.67 and 222,772.25 is: 307,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,854.52 : 544,898.67 = 222,772.25 : x
  2. Step 2: Convert to fraction form
    394,854.52/544,898.67 = 222,772.25/x
  3. Step 3: Cross multiply
    394,854.52x = 544,898.67 × 222,772.25
  4. Step 4: Simplify right side
    394,854.52x = 121,388,302,737.91
  5. Step 5: Solve for x
    x = 121,388,302,737.91/394,854.52
  6. Step 6: Final answer
    x = 307,425.38

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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.