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Finding the Fourth Proportional to 484,227.60, 726,082.20 and 203,427.60

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Solution

The fourth proportional to 484,227.60, 726,082.20 and 203,427.60 is: 305,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,227.60 : 726,082.20 = 203,427.60 : x
  2. Step 2: Convert to fraction form
    484,227.60/726,082.20 = 203,427.60/x
  3. Step 3: Cross multiply
    484,227.60x = 726,082.20 × 203,427.60
  4. Step 4: Simplify right side
    484,227.60x = 147,705,159,348.72
  5. Step 5: Solve for x
    x = 147,705,159,348.72/484,227.60
  6. Step 6: Final answer
    x = 305,032.51

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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.