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Finding the Fourth Proportional to 267,393.60, 401,090.40 and 263,246.40

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Solution

The fourth proportional to 267,393.60, 401,090.40 and 263,246.40 is: 394,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,393.60 : 401,090.40 = 263,246.40 : x
  2. Step 2: Convert to fraction form
    267,393.60/401,090.40 = 263,246.40/x
  3. Step 3: Cross multiply
    267,393.60x = 401,090.40 × 263,246.40
  4. Step 4: Simplify right side
    267,393.60x = 105,585,603,874.56
  5. Step 5: Solve for x
    x = 105,585,603,874.56/267,393.60
  6. Step 6: Final answer
    x = 394,869.60

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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.