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Finding the Fourth Proportional to 344,481.34, 516,621.57 and 134,069.26

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Solution

The fourth proportional to 344,481.34, 516,621.57 and 134,069.26 is: 201,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,481.34 : 516,621.57 = 134,069.26 : x
  2. Step 2: Convert to fraction form
    344,481.34/516,621.57 = 134,069.26/x
  3. Step 3: Cross multiply
    344,481.34x = 516,621.57 × 134,069.26
  4. Step 4: Simplify right side
    344,481.34x = 69,263,071,589.94
  5. Step 5: Solve for x
    x = 69,263,071,589.94/344,481.34
  6. Step 6: Final answer
    x = 201,064.80

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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.