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Finding the Fourth Proportional to 604,855.30, 906,408.15 and 267,619.90

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Solution

The fourth proportional to 604,855.30, 906,408.15 and 267,619.90 is: 401,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,855.30 : 906,408.15 = 267,619.90 : x
  2. Step 2: Convert to fraction form
    604,855.30/906,408.15 = 267,619.90/x
  3. Step 3: Cross multiply
    604,855.30x = 906,408.15 × 267,619.90
  4. Step 4: Simplify right side
    604,855.30x = 242,572,858,462.19
  5. Step 5: Solve for x
    x = 242,572,858,462.19/604,855.30
  6. Step 6: Final answer
    x = 401,042.79

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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.