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Finding the Fourth Proportional to 335,634.56, 503,627.36 and 135,976.16

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Solution

The fourth proportional to 335,634.56, 503,627.36 and 135,976.16 is: 204,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,634.56 : 503,627.36 = 135,976.16 : x
  2. Step 2: Convert to fraction form
    335,634.56/503,627.36 = 135,976.16/x
  3. Step 3: Cross multiply
    335,634.56x = 503,627.36 × 135,976.16
  4. Step 4: Simplify right side
    335,634.56x = 68,481,314,483.74
  5. Step 5: Solve for x
    x = 68,481,314,483.74/335,634.56
  6. Step 6: Final answer
    x = 204,035.35

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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.