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Finding the Fourth Proportional to 291,349.44, 437,074.08 and 133,591.44

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Solution

The fourth proportional to 291,349.44, 437,074.08 and 133,591.44 is: 200,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,349.44 : 437,074.08 = 133,591.44 : x
  2. Step 2: Convert to fraction form
    291,349.44/437,074.08 = 133,591.44/x
  3. Step 3: Cross multiply
    291,349.44x = 437,074.08 × 133,591.44
  4. Step 4: Simplify right side
    291,349.44x = 58,389,355,733.88
  5. Step 5: Solve for x
    x = 58,389,355,733.88/291,349.44
  6. Step 6: Final answer
    x = 200,410.05

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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.