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Finding the Fourth Proportional to 529,939.91, 794,891.61 and 150,862.97

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Solution

The fourth proportional to 529,939.91, 794,891.61 and 150,862.97 is: 226,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,939.91 : 794,891.61 = 150,862.97 : x
  2. Step 2: Convert to fraction form
    529,939.91/794,891.61 = 150,862.97/x
  3. Step 3: Cross multiply
    529,939.91x = 794,891.61 × 150,862.97
  4. Step 4: Simplify right side
    529,939.91x = 119,919,705,138.22
  5. Step 5: Solve for x
    x = 119,919,705,138.22/529,939.91
  6. Step 6: Final answer
    x = 226,289.25

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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.