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Finding the Fourth Proportional to 1,809,486.90, 2,694,396.72 and 1,744,828.08

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Solution

The fourth proportional to 1,809,486.90, 2,694,396.72 and 1,744,828.08 is: 2,598,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,486.90 : 2,694,396.72 = 1,744,828.08 : x
  2. Step 2: Convert to fraction form
    1,809,486.90/2,694,396.72 = 1,744,828.08/x
  3. Step 3: Cross multiply
    1,809,486.90x = 2,694,396.72 × 1,744,828.08
  4. Step 4: Simplify right side
    1,809,486.90x = 4,701,259,055,715.90
  5. Step 5: Solve for x
    x = 4,701,259,055,715.90/1,809,486.90
  6. Step 6: Final answer
    x = 2,598,117.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.