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Finding the Fourth Proportional to 574,879.09, 862,422.60 and 237,736.72

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Solution

The fourth proportional to 574,879.09, 862,422.60 and 237,736.72 is: 356,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,879.09 : 862,422.60 = 237,736.72 : x
  2. Step 2: Convert to fraction form
    574,879.09/862,422.60 = 237,736.72/x
  3. Step 3: Cross multiply
    574,879.09x = 862,422.60 × 237,736.72
  4. Step 4: Simplify right side
    574,879.09x = 205,029,520,177.87
  5. Step 5: Solve for x
    x = 205,029,520,177.87/574,879.09
  6. Step 6: Final answer
    x = 356,648.07

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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.