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Finding the Fourth Proportional to 511,052.40, 700,144.29 and 491,898.22

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Solution

The fourth proportional to 511,052.40, 700,144.29 and 491,898.22 is: 673,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,052.40 : 700,144.29 = 491,898.22 : x
  2. Step 2: Convert to fraction form
    511,052.40/700,144.29 = 491,898.22/x
  3. Step 3: Cross multiply
    511,052.40x = 700,144.29 × 491,898.22
  4. Step 4: Simplify right side
    511,052.40x = 344,399,728,243.80
  5. Step 5: Solve for x
    x = 344,399,728,243.80/511,052.40
  6. Step 6: Final answer
    x = 673,902.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.