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Finding the Fourth Proportional to 1,899,422.92, 2,849,170.83 and 700,728.22

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Solution

The fourth proportional to 1,899,422.92, 2,849,170.83 and 700,728.22 is: 1,051,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,422.92 : 2,849,170.83 = 700,728.22 : x
  2. Step 2: Convert to fraction form
    1,899,422.92/2,849,170.83 = 700,728.22/x
  3. Step 3: Cross multiply
    1,899,422.92x = 2,849,170.83 × 700,728.22
  4. Step 4: Simplify right side
    1,899,422.92x = 1,996,494,404,181.82
  5. Step 5: Solve for x
    x = 1,996,494,404,181.82/1,899,422.92
  6. Step 6: Final answer
    x = 1,051,105.78

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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.