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Finding the Fourth Proportional to 267,308.60, 401,065.30 and 263,110.20

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Solution

The fourth proportional to 267,308.60, 401,065.30 and 263,110.20 is: 394,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,308.60 : 401,065.30 = 263,110.20 : x
  2. Step 2: Convert to fraction form
    267,308.60/401,065.30 = 263,110.20/x
  3. Step 3: Cross multiply
    267,308.60x = 401,065.30 × 263,110.20
  4. Step 4: Simplify right side
    267,308.60x = 105,524,371,296.06
  5. Step 5: Solve for x
    x = 105,524,371,296.06/267,308.60
  6. Step 6: Final answer
    x = 394,766.09

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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.