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Finding the Fourth Proportional to 488,900.99, 733,201.38 and 338,067.24

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Solution

The fourth proportional to 488,900.99, 733,201.38 and 338,067.24 is: 506,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,900.99 : 733,201.38 = 338,067.24 : x
  2. Step 2: Convert to fraction form
    488,900.99/733,201.38 = 338,067.24/x
  3. Step 3: Cross multiply
    488,900.99x = 733,201.38 × 338,067.24
  4. Step 4: Simplify right side
    488,900.99x = 247,871,366,900.79
  5. Step 5: Solve for x
    x = 247,871,366,900.79/488,900.99
  6. Step 6: Final answer
    x = 506,997.07

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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.