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Finding the Fourth Proportional to 267,637.88, 401,524.28 and 188,905.88

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Solution

The fourth proportional to 267,637.88, 401,524.28 and 188,905.88 is: 283,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,637.88 : 401,524.28 = 188,905.88 : x
  2. Step 2: Convert to fraction form
    267,637.88/401,524.28 = 188,905.88/x
  3. Step 3: Cross multiply
    267,637.88x = 401,524.28 × 188,905.88
  4. Step 4: Simplify right side
    267,637.88x = 75,850,297,454.77
  5. Step 5: Solve for x
    x = 75,850,297,454.77/267,637.88
  6. Step 6: Final answer
    x = 283,406.44

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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.