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Finding the Fourth Proportional to 297,932.60, 445,862.10 and 204,620.60

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Solution

The fourth proportional to 297,932.60, 445,862.10 and 204,620.60 is: 306,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,932.60 : 445,862.10 = 204,620.60 : x
  2. Step 2: Convert to fraction form
    297,932.60/445,862.10 = 204,620.60/x
  3. Step 3: Cross multiply
    297,932.60x = 445,862.10 × 204,620.60
  4. Step 4: Simplify right side
    297,932.60x = 91,232,570,419.26
  5. Step 5: Solve for x
    x = 91,232,570,419.26/297,932.60
  6. Step 6: Final answer
    x = 306,218.82

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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.