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Finding the Fourth Proportional to 203,067.60, 304,601.40 and 199,568.40

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Solution

The fourth proportional to 203,067.60, 304,601.40 and 199,568.40 is: 299,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,067.60 : 304,601.40 = 199,568.40 : x
  2. Step 2: Convert to fraction form
    203,067.60/304,601.40 = 199,568.40/x
  3. Step 3: Cross multiply
    203,067.60x = 304,601.40 × 199,568.40
  4. Step 4: Simplify right side
    203,067.60x = 60,788,814,035.76
  5. Step 5: Solve for x
    x = 60,788,814,035.76/203,067.60
  6. Step 6: Final answer
    x = 299,352.60

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1.5x scale

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.