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Finding the Fourth Proportional to 511,054.68, 765,793.44 and 323,672.52

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Solution

The fourth proportional to 511,054.68, 765,793.44 and 323,672.52 is: 485,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,054.68 : 765,793.44 = 323,672.52 : x
  2. Step 2: Convert to fraction form
    511,054.68/765,793.44 = 323,672.52/x
  3. Step 3: Cross multiply
    511,054.68x = 765,793.44 × 323,672.52
  4. Step 4: Simplify right side
    511,054.68x = 247,866,292,524.27
  5. Step 5: Solve for x
    x = 247,866,292,524.27/511,054.68
  6. Step 6: Final answer
    x = 485,009.34

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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.