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Finding the Fourth Proportional to 484,813.60, 726,183.60 and 401,869.60

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Solution

The fourth proportional to 484,813.60, 726,183.60 and 401,869.60 is: 601,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,813.60 : 726,183.60 = 401,869.60 : x
  2. Step 2: Convert to fraction form
    484,813.60/726,183.60 = 401,869.60/x
  3. Step 3: Cross multiply
    484,813.60x = 726,183.60 × 401,869.60
  4. Step 4: Simplify right side
    484,813.60x = 291,831,112,858.56
  5. Step 5: Solve for x
    x = 291,831,112,858.56/484,813.60
  6. Step 6: Final answer
    x = 601,944.98

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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.