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Finding the Fourth Proportional to 400,754.34, 600,906.33 and 274,536.90

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Solution

The fourth proportional to 400,754.34, 600,906.33 and 274,536.90 is: 411,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,754.34 : 600,906.33 = 274,536.90 : x
  2. Step 2: Convert to fraction form
    400,754.34/600,906.33 = 274,536.90/x
  3. Step 3: Cross multiply
    400,754.34x = 600,906.33 × 274,536.90
  4. Step 4: Simplify right side
    400,754.34x = 164,970,961,028.58
  5. Step 5: Solve for x
    x = 164,970,961,028.58/400,754.34
  6. Step 6: Final answer
    x = 411,651.09

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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.