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Finding the Fourth Proportional to 338,729.00, 507,932.61 and 196,618.13

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Solution

The fourth proportional to 338,729.00, 507,932.61 and 196,618.13 is: 294,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,729.00 : 507,932.61 = 196,618.13 : x
  2. Step 2: Convert to fraction form
    338,729.00/507,932.61 = 196,618.13/x
  3. Step 3: Cross multiply
    338,729.00x = 507,932.61 × 196,618.13
  4. Step 4: Simplify right side
    338,729.00x = 99,868,757,404.56
  5. Step 5: Solve for x
    x = 99,868,757,404.56/338,729.00
  6. Step 6: Final answer
    x = 294,833.80

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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.