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Finding the Fourth Proportional to 275,796.66, 380,615.65 and 207,693.48

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Solution

The fourth proportional to 275,796.66, 380,615.65 and 207,693.48 is: 286,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,796.66 : 380,615.65 = 207,693.48 : x
  2. Step 2: Convert to fraction form
    275,796.66/380,615.65 = 207,693.48/x
  3. Step 3: Cross multiply
    275,796.66x = 380,615.65 × 207,693.48
  4. Step 4: Simplify right side
    275,796.66x = 79,051,388,371.73
  5. Step 5: Solve for x
    x = 79,051,388,371.73/275,796.66
  6. Step 6: Final answer
    x = 286,629.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.