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Finding the Fourth Proportional to 274,282.12, 411,110.88 and 171,747.37

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Solution

The fourth proportional to 274,282.12, 411,110.88 and 171,747.37 is: 257,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,282.12 : 411,110.88 = 171,747.37 : x
  2. Step 2: Convert to fraction form
    274,282.12/411,110.88 = 171,747.37/x
  3. Step 3: Cross multiply
    274,282.12x = 411,110.88 × 171,747.37
  4. Step 4: Simplify right side
    274,282.12x = 70,607,212,418.39
  5. Step 5: Solve for x
    x = 70,607,212,418.39/274,282.12
  6. Step 6: Final answer
    x = 257,425.50

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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.