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Finding the Fourth Proportional to 547,601.52, 755,692.72 and 305,894.24

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Solution

The fourth proportional to 547,601.52, 755,692.72 and 305,894.24 is: 422,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,601.52 : 755,692.72 = 305,894.24 : x
  2. Step 2: Convert to fraction form
    547,601.52/755,692.72 = 305,894.24/x
  3. Step 3: Cross multiply
    547,601.52x = 755,692.72 × 305,894.24
  4. Step 4: Simplify right side
    547,601.52x = 231,162,050,257.93
  5. Step 5: Solve for x
    x = 231,162,050,257.93/547,601.52
  6. Step 6: Final answer
    x = 422,135.52

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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.