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Finding the Fourth Proportional to 1,788,739.17, 2,682,766.47 and 694,524.03

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Solution

The fourth proportional to 1,788,739.17, 2,682,766.47 and 694,524.03 is: 1,041,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,739.17 : 2,682,766.47 = 694,524.03 : x
  2. Step 2: Convert to fraction form
    1,788,739.17/2,682,766.47 = 694,524.03/x
  3. Step 3: Cross multiply
    1,788,739.17x = 2,682,766.47 × 694,524.03
  4. Step 4: Simplify right side
    1,788,739.17x = 1,863,245,780,293.27
  5. Step 5: Solve for x
    x = 1,863,245,780,293.27/1,788,739.17
  6. Step 6: Final answer
    x = 1,041,653.14

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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.