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Finding the Fourth Proportional to 267,519,087.60, 401,278,631.40 and 267,519,087.60

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Solution

The fourth proportional to 267,519,087.60, 401,278,631.40 and 267,519,087.60 is: 401,278,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,519,087.60 : 401,278,631.40 = 267,519,087.60 : x
  2. Step 2: Convert to fraction form
    267,519,087.60/401,278,631.40 = 267,519,087.60/x
  3. Step 3: Cross multiply
    267,519,087.60x = 401,278,631.40 × 267,519,087.60
  4. Step 4: Simplify right side
    267,519,087.60x = 107,349,693,345,504,704
  5. Step 5: Solve for x
    x = 107,349,693,345,504,704/267,519,087.60
  6. Step 6: Final answer
    x = 401,278,631.40

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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.