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Finding the Fourth Proportional to 436,893.03, 654,499.89 and 267,920.64

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Solution

The fourth proportional to 436,893.03, 654,499.89 and 267,920.64 is: 401,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,893.03 : 654,499.89 = 267,920.64 : x
  2. Step 2: Convert to fraction form
    436,893.03/654,499.89 = 267,920.64/x
  3. Step 3: Cross multiply
    436,893.03x = 654,499.89 × 267,920.64
  4. Step 4: Simplify right side
    436,893.03x = 175,354,029,408.73
  5. Step 5: Solve for x
    x = 175,354,029,408.73/436,893.03
  6. Step 6: Final answer
    x = 401,366.05

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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.