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Finding the Fourth Proportional to 511,235.54, 766,825.41 and 156,249.44

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Solution

The fourth proportional to 511,235.54, 766,825.41 and 156,249.44 is: 234,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,235.54 : 766,825.41 = 156,249.44 : x
  2. Step 2: Convert to fraction form
    511,235.54/766,825.41 = 156,249.44/x
  3. Step 3: Cross multiply
    511,235.54x = 766,825.41 × 156,249.44
  4. Step 4: Simplify right side
    511,235.54x = 119,816,040,890.27
  5. Step 5: Solve for x
    x = 119,816,040,890.27/511,235.54
  6. Step 6: Final answer
    x = 234,365.63

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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.