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Finding the Fourth Proportional to 394,841.36, 544,881.01 and 213,553.24

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Solution

The fourth proportional to 394,841.36, 544,881.01 and 213,553.24 is: 294,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,841.36 : 544,881.01 = 213,553.24 : x
  2. Step 2: Convert to fraction form
    394,841.36/544,881.01 = 213,553.24/x
  3. Step 3: Cross multiply
    394,841.36x = 544,881.01 × 213,553.24
  4. Step 4: Simplify right side
    394,841.36x = 116,361,105,099.97
  5. Step 5: Solve for x
    x = 116,361,105,099.97/394,841.36
  6. Step 6: Final answer
    x = 294,703.44

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1.5x scale

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.