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Finding the Fourth Proportional to 267,610.80, 401,416.20 and 178,575.60

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Solution

The fourth proportional to 267,610.80, 401,416.20 and 178,575.60 is: 267,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,610.80 : 401,416.20 = 178,575.60 : x
  2. Step 2: Convert to fraction form
    267,610.80/401,416.20 = 178,575.60/x
  3. Step 3: Cross multiply
    267,610.80x = 401,416.20 × 178,575.60
  4. Step 4: Simplify right side
    267,610.80x = 71,683,138,764.72
  5. Step 5: Solve for x
    x = 71,683,138,764.72/267,610.80
  6. Step 6: Final answer
    x = 267,863.40

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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.