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Finding the Fourth Proportional to 344,451.62, 517,004.57 and 211,591.37

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Solution

The fourth proportional to 344,451.62, 517,004.57 and 211,591.37 is: 317,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,451.62 : 517,004.57 = 211,591.37 : x
  2. Step 2: Convert to fraction form
    344,451.62/517,004.57 = 211,591.37/x
  3. Step 3: Cross multiply
    344,451.62x = 517,004.57 × 211,591.37
  4. Step 4: Simplify right side
    344,451.62x = 109,393,707,084.05
  5. Step 5: Solve for x
    x = 109,393,707,084.05/344,451.62
  6. Step 6: Final answer
    x = 317,588.02

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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.