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Finding the Fourth Proportional to 1,075,629, 1,613,443.62 and 327,675

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Solution

The fourth proportional to 1,075,629, 1,613,443.62 and 327,675 is: 491,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,629 : 1,613,443.62 = 327,675 : x
  2. Step 2: Convert to fraction form
    1,075,629/1,613,443.62 = 327,675/x
  3. Step 3: Cross multiply
    1,075,629x = 1,613,443.62 × 327,675
  4. Step 4: Simplify right side
    1,075,629x = 528,685,138,183.50
  5. Step 5: Solve for x
    x = 528,685,138,183.50/1,075,629
  6. Step 6: Final answer
    x = 491,512.54

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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.