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Finding the Fourth Proportional to 603,952.30, 906,037.80 and 303,677.20

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Solution

The fourth proportional to 603,952.30, 906,037.80 and 303,677.20 is: 455,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,952.30 : 906,037.80 = 303,677.20 : x
  2. Step 2: Convert to fraction form
    603,952.30/906,037.80 = 303,677.20/x
  3. Step 3: Cross multiply
    603,952.30x = 906,037.80 × 303,677.20
  4. Step 4: Simplify right side
    603,952.30x = 275,143,022,198.16
  5. Step 5: Solve for x
    x = 275,143,022,198.16/603,952.30
  6. Step 6: Final answer
    x = 455,570.78

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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.