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Finding the Fourth Proportional to 263,077,714.80, 394,049,701.80 and 217,728,082.80

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Solution

The fourth proportional to 263,077,714.80, 394,049,701.80 and 217,728,082.80 is: 326,122,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,077,714.80 : 394,049,701.80 = 217,728,082.80 : x
  2. Step 2: Convert to fraction form
    263,077,714.80/394,049,701.80 = 217,728,082.80/x
  3. Step 3: Cross multiply
    263,077,714.80x = 394,049,701.80 × 217,728,082.80
  4. Step 4: Simplify right side
    263,077,714.80x = 85,795,686,100,825,712
  5. Step 5: Solve for x
    x = 85,795,686,100,825,712/263,077,714.80
  6. Step 6: Final answer
    x = 326,122,971.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.