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Finding the Fourth Proportional to 263,951, 395,918.81 and 64,268.49

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Solution

The fourth proportional to 263,951, 395,918.81 and 64,268.49 is: 96,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,951 : 395,918.81 = 64,268.49 : x
  2. Step 2: Convert to fraction form
    263,951/395,918.81 = 64,268.49/x
  3. Step 3: Cross multiply
    263,951x = 395,918.81 × 64,268.49
  4. Step 4: Simplify right side
    263,951x = 25,445,104,081.30
  5. Step 5: Solve for x
    x = 25,445,104,081.30/263,951
  6. Step 6: Final answer
    x = 96,400.86

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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.