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Finding the Fourth Proportional to 511,799.43, 767,797.55 and 196,231.73

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Solution

The fourth proportional to 511,799.43, 767,797.55 and 196,231.73 is: 294,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,799.43 : 767,797.55 = 196,231.73 : x
  2. Step 2: Convert to fraction form
    511,799.43/767,797.55 = 196,231.73/x
  3. Step 3: Cross multiply
    511,799.43x = 767,797.55 × 196,231.73
  4. Step 4: Simplify right side
    511,799.43x = 150,666,236,706.12
  5. Step 5: Solve for x
    x = 150,666,236,706.12/511,799.43
  6. Step 6: Final answer
    x = 294,385.32

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1.5x scale

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.