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Finding the Fourth Proportional to 802,092.21, 1,203,212.54 and 262,351.54

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Solution

The fourth proportional to 802,092.21, 1,203,212.54 and 262,351.54 is: 393,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,092.21 : 1,203,212.54 = 262,351.54 : x
  2. Step 2: Convert to fraction form
    802,092.21/1,203,212.54 = 262,351.54/x
  3. Step 3: Cross multiply
    802,092.21x = 1,203,212.54 × 262,351.54
  4. Step 4: Simplify right side
    802,092.21x = 315,664,662,816.31
  5. Step 5: Solve for x
    x = 315,664,662,816.31/802,092.21
  6. Step 6: Final answer
    x = 393,551.59

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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.