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Finding the Fourth Proportional to 267,425,853.85, 401,138,780.78 and 267,425,853.85

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Solution

The fourth proportional to 267,425,853.85, 401,138,780.78 and 267,425,853.85 is: 401,138,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,425,853.85 : 401,138,780.78 = 267,425,853.85 : x
  2. Step 2: Convert to fraction form
    267,425,853.85/401,138,780.78 = 267,425,853.85/x
  3. Step 3: Cross multiply
    267,425,853.85x = 401,138,780.78 × 267,425,853.85
  4. Step 4: Simplify right side
    267,425,853.85x = 107,274,880,961,102,336
  5. Step 5: Solve for x
    x = 107,274,880,961,102,336/267,425,853.85
  6. Step 6: Final answer
    x = 401,138,780.78

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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.