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Finding the Fourth Proportional to 511,829.88, 766,170.18 and 333,953.88

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Solution

The fourth proportional to 511,829.88, 766,170.18 and 333,953.88 is: 499,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,829.88 : 766,170.18 = 333,953.88 : x
  2. Step 2: Convert to fraction form
    511,829.88/766,170.18 = 333,953.88/x
  3. Step 3: Cross multiply
    511,829.88x = 766,170.18 × 333,953.88
  4. Step 4: Simplify right side
    511,829.88x = 255,865,504,351.30
  5. Step 5: Solve for x
    x = 255,865,504,351.30/511,829.88
  6. Step 6: Final answer
    x = 499,903.41

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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.