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Finding the Fourth Proportional to 403,776.60, 605,446.20 and 166,851.60

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Solution

The fourth proportional to 403,776.60, 605,446.20 and 166,851.60 is: 250,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,776.60 : 605,446.20 = 166,851.60 : x
  2. Step 2: Convert to fraction form
    403,776.60/605,446.20 = 166,851.60/x
  3. Step 3: Cross multiply
    403,776.60x = 605,446.20 × 166,851.60
  4. Step 4: Simplify right side
    403,776.60x = 101,019,667,183.92
  5. Step 5: Solve for x
    x = 101,019,667,183.92/403,776.60
  6. Step 6: Final answer
    x = 250,187.03

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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.