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Finding the Fourth Proportional to 603,937.60, 905,991.84 and 204,692.16

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Solution

The fourth proportional to 603,937.60, 905,991.84 and 204,692.16 is: 307,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,937.60 : 905,991.84 = 204,692.16 : x
  2. Step 2: Convert to fraction form
    603,937.60/905,991.84 = 204,692.16/x
  3. Step 3: Cross multiply
    603,937.60x = 905,991.84 × 204,692.16
  4. Step 4: Simplify right side
    603,937.60x = 185,449,426,671.97
  5. Step 5: Solve for x
    x = 185,449,426,671.97/603,937.60
  6. Step 6: Final answer
    x = 307,067.20

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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.