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Finding the Fourth Proportional to 267,638.36, 401,525.04 and 188,906.36

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Solution

The fourth proportional to 267,638.36, 401,525.04 and 188,906.36 is: 283,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,638.36 : 401,525.04 = 188,906.36 : x
  2. Step 2: Convert to fraction form
    267,638.36/401,525.04 = 188,906.36/x
  3. Step 3: Cross multiply
    267,638.36x = 401,525.04 × 188,906.36
  4. Step 4: Simplify right side
    267,638.36x = 75,850,633,755.25
  5. Step 5: Solve for x
    x = 75,850,633,755.25/267,638.36
  6. Step 6: Final answer
    x = 283,407.18

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1.5x scale

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.