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Finding the Fourth Proportional to 332,997.36, 499,364.01 and 143,471.94

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Solution

The fourth proportional to 332,997.36, 499,364.01 and 143,471.94 is: 215,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,997.36 : 499,364.01 = 143,471.94 : x
  2. Step 2: Convert to fraction form
    332,997.36/499,364.01 = 143,471.94/x
  3. Step 3: Cross multiply
    332,997.36x = 499,364.01 × 143,471.94
  4. Step 4: Simplify right side
    332,997.36x = 71,644,723,280.88
  5. Step 5: Solve for x
    x = 71,644,723,280.88/332,997.36
  6. Step 6: Final answer
    x = 215,151.02

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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.