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Finding the Fourth Proportional to 308,440.80, 463,352.40 and 295,845.60

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Solution

The fourth proportional to 308,440.80, 463,352.40 and 295,845.60 is: 444,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,440.80 : 463,352.40 = 295,845.60 : x
  2. Step 2: Convert to fraction form
    308,440.80/463,352.40 = 295,845.60/x
  3. Step 3: Cross multiply
    308,440.80x = 463,352.40 × 295,845.60
  4. Step 4: Simplify right side
    308,440.80x = 137,080,768,789.44
  5. Step 5: Solve for x
    x = 137,080,768,789.44/308,440.80
  6. Step 6: Final answer
    x = 444,431.37

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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.