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Finding the Fourth Proportional to 529,612.36, 794,470.38 and 174,481.48

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Solution

The fourth proportional to 529,612.36, 794,470.38 and 174,481.48 is: 261,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,612.36 : 794,470.38 = 174,481.48 : x
  2. Step 2: Convert to fraction form
    529,612.36/794,470.38 = 174,481.48/x
  3. Step 3: Cross multiply
    529,612.36x = 794,470.38 × 174,481.48
  4. Step 4: Simplify right side
    529,612.36x = 138,620,367,718.56
  5. Step 5: Solve for x
    x = 138,620,367,718.56/529,612.36
  6. Step 6: Final answer
    x = 261,739.30

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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.