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Finding the Fourth Proportional to 360,734.22, 541,100.88 and 144,690.48

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Solution

The fourth proportional to 360,734.22, 541,100.88 and 144,690.48 is: 217,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,734.22 : 541,100.88 = 144,690.48 : x
  2. Step 2: Convert to fraction form
    360,734.22/541,100.88 = 144,690.48/x
  3. Step 3: Cross multiply
    360,734.22x = 541,100.88 × 144,690.48
  4. Step 4: Simplify right side
    360,734.22x = 78,292,146,055.62
  5. Step 5: Solve for x
    x = 78,292,146,055.62/360,734.22
  6. Step 6: Final answer
    x = 217,035.54

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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.