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Finding the Fourth Proportional to 267,496,268.40, 401,244,402.60 and 239,436,183.60

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Solution

The fourth proportional to 267,496,268.40, 401,244,402.60 and 239,436,183.60 is: 359,154,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,496,268.40 : 401,244,402.60 = 239,436,183.60 : x
  2. Step 2: Convert to fraction form
    267,496,268.40/401,244,402.60 = 239,436,183.60/x
  3. Step 3: Cross multiply
    267,496,268.40x = 401,244,402.60 × 239,436,183.60
  4. Step 4: Simplify right side
    267,496,268.40x = 96,072,428,449,405,920
  5. Step 5: Solve for x
    x = 96,072,428,449,405,920/267,496,268.40
  6. Step 6: Final answer
    x = 359,154,275.40

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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.