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Finding the Fourth Proportional to 500,884.08, 751,620.96 and 185,560.80

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Solution

The fourth proportional to 500,884.08, 751,620.96 and 185,560.80 is: 278,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,884.08 : 751,620.96 = 185,560.80 : x
  2. Step 2: Convert to fraction form
    500,884.08/751,620.96 = 185,560.80/x
  3. Step 3: Cross multiply
    500,884.08x = 751,620.96 × 185,560.80
  4. Step 4: Simplify right side
    500,884.08x = 139,471,386,634.37
  5. Step 5: Solve for x
    x = 139,471,386,634.37/500,884.08
  6. Step 6: Final answer
    x = 278,450.43

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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.