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Finding the Fourth Proportional to 394,677.60, 544,521.96 and 224,791.44

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Solution

The fourth proportional to 394,677.60, 544,521.96 and 224,791.44 is: 310,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,677.60 : 544,521.96 = 224,791.44 : x
  2. Step 2: Convert to fraction form
    394,677.60/544,521.96 = 224,791.44/x
  3. Step 3: Cross multiply
    394,677.60x = 544,521.96 × 224,791.44
  4. Step 4: Simplify right side
    394,677.60x = 122,403,875,500.02
  5. Step 5: Solve for x
    x = 122,403,875,500.02/394,677.60
  6. Step 6: Final answer
    x = 310,136.36

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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.