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Finding the Fourth Proportional to 397,383.54, 594,772.21 and 217,192.96

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Solution

The fourth proportional to 397,383.54, 594,772.21 and 217,192.96 is: 325,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,383.54 : 594,772.21 = 217,192.96 : x
  2. Step 2: Convert to fraction form
    397,383.54/594,772.21 = 217,192.96/x
  3. Step 3: Cross multiply
    397,383.54x = 594,772.21 × 217,192.96
  4. Step 4: Simplify right side
    397,383.54x = 129,180,337,830.60
  5. Step 5: Solve for x
    x = 129,180,337,830.60/397,383.54
  6. Step 6: Final answer
    x = 325,077.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.