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Finding the Fourth Proportional to 267,111.60, 400,667.40 and 177,736.20

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Solution

The fourth proportional to 267,111.60, 400,667.40 and 177,736.20 is: 266,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,111.60 : 400,667.40 = 177,736.20 : x
  2. Step 2: Convert to fraction form
    267,111.60/400,667.40 = 177,736.20/x
  3. Step 3: Cross multiply
    267,111.60x = 400,667.40 × 177,736.20
  4. Step 4: Simplify right side
    267,111.60x = 71,213,101,139.88
  5. Step 5: Solve for x
    x = 71,213,101,139.88/267,111.60
  6. Step 6: Final answer
    x = 266,604.30

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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.