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Finding the Fourth Proportional to 511,072.20, 766,608.30 and 244,695.60

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Solution

The fourth proportional to 511,072.20, 766,608.30 and 244,695.60 is: 367,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,072.20 : 766,608.30 = 244,695.60 : x
  2. Step 2: Convert to fraction form
    511,072.20/766,608.30 = 244,695.60/x
  3. Step 3: Cross multiply
    511,072.20x = 766,608.30 × 244,695.60
  4. Step 4: Simplify right side
    511,072.20x = 187,585,677,933.48
  5. Step 5: Solve for x
    x = 187,585,677,933.48/511,072.20
  6. Step 6: Final answer
    x = 367,043.40

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Similar ratio
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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.