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Finding the Fourth Proportional to 483,500.52, 666,692.64 and 330,563.52

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Solution

The fourth proportional to 483,500.52, 666,692.64 and 330,563.52 is: 455,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,500.52 : 666,692.64 = 330,563.52 : x
  2. Step 2: Convert to fraction form
    483,500.52/666,692.64 = 330,563.52/x
  3. Step 3: Cross multiply
    483,500.52x = 666,692.64 × 330,563.52
  4. Step 4: Simplify right side
    483,500.52x = 220,384,265,836.49
  5. Step 5: Solve for x
    x = 220,384,265,836.49/483,500.52
  6. Step 6: Final answer
    x = 455,809.78

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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.