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Finding the Fourth Proportional to 400,914.44, 601,464.60 and 116,611.76

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Solution

The fourth proportional to 400,914.44, 601,464.60 and 116,611.76 is: 174,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,914.44 : 601,464.60 = 116,611.76 : x
  2. Step 2: Convert to fraction form
    400,914.44/601,464.60 = 116,611.76/x
  3. Step 3: Cross multiply
    400,914.44x = 601,464.60 × 116,611.76
  4. Step 4: Simplify right side
    400,914.44x = 70,137,845,583.70
  5. Step 5: Solve for x
    x = 70,137,845,583.70/400,914.44
  6. Step 6: Final answer
    x = 174,944.67

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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.