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Finding the Fourth Proportional to 2,795,964.54, 4,193,957.74 and 850,712.48

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Solution

The fourth proportional to 2,795,964.54, 4,193,957.74 and 850,712.48 is: 1,276,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,964.54 : 4,193,957.74 = 850,712.48 : x
  2. Step 2: Convert to fraction form
    2,795,964.54/4,193,957.74 = 850,712.48/x
  3. Step 3: Cross multiply
    2,795,964.54x = 4,193,957.74 × 850,712.48
  4. Step 4: Simplify right side
    2,795,964.54x = 3,567,852,190,010.60
  5. Step 5: Solve for x
    x = 3,567,852,190,010.60/2,795,964.54
  6. Step 6: Final answer
    x = 1,276,072.05

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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.