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Finding the Fourth Proportional to 1,700,375.91, 2,547,764.44 and 1,188,093.03

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Solution

The fourth proportional to 1,700,375.91, 2,547,764.44 and 1,188,093.03 is: 1,780,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,375.91 : 2,547,764.44 = 1,188,093.03 : x
  2. Step 2: Convert to fraction form
    1,700,375.91/2,547,764.44 = 1,188,093.03/x
  3. Step 3: Cross multiply
    1,700,375.91x = 2,547,764.44 × 1,188,093.03
  4. Step 4: Simplify right side
    1,700,375.91x = 3,026,981,157,536.80
  5. Step 5: Solve for x
    x = 3,026,981,157,536.80/1,700,375.91
  6. Step 6: Final answer
    x = 1,780,183.52

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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.