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Finding the Fourth Proportional to 479,692.07, 661,976.03 and 264,832.55

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Solution

The fourth proportional to 479,692.07, 661,976.03 and 264,832.55 is: 365,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,692.07 : 661,976.03 = 264,832.55 : x
  2. Step 2: Convert to fraction form
    479,692.07/661,976.03 = 264,832.55/x
  3. Step 3: Cross multiply
    479,692.07x = 661,976.03 × 264,832.55
  4. Step 4: Simplify right side
    479,692.07x = 175,312,797,415.98
  5. Step 5: Solve for x
    x = 175,312,797,415.98/479,692.07
  6. Step 6: Final answer
    x = 365,469.45

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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.