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Finding the Fourth Proportional to 360,940.22, 541,223.44 and 192,415.28

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Solution

The fourth proportional to 360,940.22, 541,223.44 and 192,415.28 is: 288,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,940.22 : 541,223.44 = 192,415.28 : x
  2. Step 2: Convert to fraction form
    360,940.22/541,223.44 = 192,415.28/x
  3. Step 3: Cross multiply
    360,940.22x = 541,223.44 × 192,415.28
  4. Step 4: Simplify right side
    360,940.22x = 104,139,656,081.97
  5. Step 5: Solve for x
    x = 104,139,656,081.97/360,940.22
  6. Step 6: Final answer
    x = 288,523.28

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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.