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Finding the Fourth Proportional to 484,157.43, 726,234.93 and 147,196.62

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Solution

The fourth proportional to 484,157.43, 726,234.93 and 147,196.62 is: 220,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,157.43 : 726,234.93 = 147,196.62 : x
  2. Step 2: Convert to fraction form
    484,157.43/726,234.93 = 147,196.62/x
  3. Step 3: Cross multiply
    484,157.43x = 726,234.93 × 147,196.62
  4. Step 4: Simplify right side
    484,157.43x = 106,899,327,021.94
  5. Step 5: Solve for x
    x = 106,899,327,021.94/484,157.43
  6. Step 6: Final answer
    x = 220,794.56

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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.