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Finding the Fourth Proportional to 393,881.36, 591,014.84 and 244,081.60

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Solution

The fourth proportional to 393,881.36, 591,014.84 and 244,081.60 is: 366,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,881.36 : 591,014.84 = 244,081.60 : x
  2. Step 2: Convert to fraction form
    393,881.36/591,014.84 = 244,081.60/x
  3. Step 3: Cross multiply
    393,881.36x = 591,014.84 × 244,081.60
  4. Step 4: Simplify right side
    393,881.36x = 144,255,847,770.94
  5. Step 5: Solve for x
    x = 144,255,847,770.94/393,881.36
  6. Step 6: Final answer
    x = 366,241.87

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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.