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Finding the Fourth Proportional to 551,255.22, 826,970.48 and 191,536.09

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Solution

The fourth proportional to 551,255.22, 826,970.48 and 191,536.09 is: 287,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,255.22 : 826,970.48 = 191,536.09 : x
  2. Step 2: Convert to fraction form
    551,255.22/826,970.48 = 191,536.09/x
  3. Step 3: Cross multiply
    551,255.22x = 826,970.48 × 191,536.09
  4. Step 4: Simplify right side
    551,255.22x = 158,394,695,033.50
  5. Step 5: Solve for x
    x = 158,394,695,033.50/551,255.22
  6. Step 6: Final answer
    x = 287,334.59

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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.