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Finding the Fourth Proportional to 483,363.20, 725,044.80 and 203,427.20

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Solution

The fourth proportional to 483,363.20, 725,044.80 and 203,427.20 is: 305,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,363.20 : 725,044.80 = 203,427.20 : x
  2. Step 2: Convert to fraction form
    483,363.20/725,044.80 = 203,427.20/x
  3. Step 3: Cross multiply
    483,363.20x = 725,044.80 × 203,427.20
  4. Step 4: Simplify right side
    483,363.20x = 147,493,833,538.56
  5. Step 5: Solve for x
    x = 147,493,833,538.56/483,363.20
  6. Step 6: Final answer
    x = 305,140.80

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Similar ratio
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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.