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Finding the Fourth Proportional to 1,769,662.28, 2,442,396.72 and 1,081,730.84

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Solution

The fourth proportional to 1,769,662.28, 2,442,396.72 and 1,081,730.84 is: 1,492,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,662.28 : 2,442,396.72 = 1,081,730.84 : x
  2. Step 2: Convert to fraction form
    1,769,662.28/2,442,396.72 = 1,081,730.84/x
  3. Step 3: Cross multiply
    1,769,662.28x = 2,442,396.72 × 1,081,730.84
  4. Step 4: Simplify right side
    1,769,662.28x = 2,642,015,855,538.85
  5. Step 5: Solve for x
    x = 2,642,015,855,538.85/1,769,662.28
  6. Step 6: Final answer
    x = 1,492,949.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.