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Finding the Fourth Proportional to 753,771.14, 1,040,244 and 427,147.49

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Solution

The fourth proportional to 753,771.14, 1,040,244 and 427,147.49 is: 589,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,771.14 : 1,040,244 = 427,147.49 : x
  2. Step 2: Convert to fraction form
    753,771.14/1,040,244 = 427,147.49/x
  3. Step 3: Cross multiply
    753,771.14x = 1,040,244 × 427,147.49
  4. Step 4: Simplify right side
    753,771.14x = 444,337,613,587.56
  5. Step 5: Solve for x
    x = 444,337,613,587.56/753,771.14
  6. Step 6: Final answer
    x = 589,486.11

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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.