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Finding the Fourth Proportional to 551,077.44, 760,396.32 and 324,692.16

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Solution

The fourth proportional to 551,077.44, 760,396.32 and 324,692.16 is: 448,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,077.44 : 760,396.32 = 324,692.16 : x
  2. Step 2: Convert to fraction form
    551,077.44/760,396.32 = 324,692.16/x
  3. Step 3: Cross multiply
    551,077.44x = 760,396.32 × 324,692.16
  4. Step 4: Simplify right side
    551,077.44x = 246,894,723,596.85
  5. Step 5: Solve for x
    x = 246,894,723,596.85/551,077.44
  6. Step 6: Final answer
    x = 448,021.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.