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Finding the Fourth Proportional to 297,899.60, 445,812.60 and 204,587.60

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Solution

The fourth proportional to 297,899.60, 445,812.60 and 204,587.60 is: 306,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,899.60 : 445,812.60 = 204,587.60 : x
  2. Step 2: Convert to fraction form
    297,899.60/445,812.60 = 204,587.60/x
  3. Step 3: Cross multiply
    297,899.60x = 445,812.60 × 204,587.60
  4. Step 4: Simplify right side
    297,899.60x = 91,207,729,883.76
  5. Step 5: Solve for x
    x = 91,207,729,883.76/297,899.60
  6. Step 6: Final answer
    x = 306,169.36

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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.