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Finding the Fourth Proportional to 403,832.70, 605,749.05 and 401,067.90

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Solution

The fourth proportional to 403,832.70, 605,749.05 and 401,067.90 is: 601,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,832.70 : 605,749.05 = 401,067.90 : x
  2. Step 2: Convert to fraction form
    403,832.70/605,749.05 = 401,067.90/x
  3. Step 3: Cross multiply
    403,832.70x = 605,749.05 × 401,067.90
  4. Step 4: Simplify right side
    403,832.70x = 242,946,499,410.50
  5. Step 5: Solve for x
    x = 242,946,499,410.50/403,832.70
  6. Step 6: Final answer
    x = 601,601.85

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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.