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Finding the Fourth Proportional to 291,794.82, 437,692.25 and 225,331.89

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Solution

The fourth proportional to 291,794.82, 437,692.25 and 225,331.89 is: 337,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,794.82 : 437,692.25 = 225,331.89 : x
  2. Step 2: Convert to fraction form
    291,794.82/437,692.25 = 225,331.89/x
  3. Step 3: Cross multiply
    291,794.82x = 437,692.25 × 225,331.89
  4. Step 4: Simplify right side
    291,794.82x = 98,626,021,930.85
  5. Step 5: Solve for x
    x = 98,626,021,930.85/291,794.82
  6. Step 6: Final answer
    x = 337,997.85

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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.