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Finding the Fourth Proportional to 628,906.56, 943,067.52 and 229,269.12

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Solution

The fourth proportional to 628,906.56, 943,067.52 and 229,269.12 is: 343,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,906.56 : 943,067.52 = 229,269.12 : x
  2. Step 2: Convert to fraction form
    628,906.56/943,067.52 = 229,269.12/x
  3. Step 3: Cross multiply
    628,906.56x = 943,067.52 × 229,269.12
  4. Step 4: Simplify right side
    628,906.56x = 216,216,260,410.98
  5. Step 5: Solve for x
    x = 216,216,260,410.98/628,906.56
  6. Step 6: Final answer
    x = 343,797.11

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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.