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Finding the Fourth Proportional to 268,383.58, 369,978.44 and 187,559.96

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Solution

The fourth proportional to 268,383.58, 369,978.44 and 187,559.96 is: 258,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,383.58 : 369,978.44 = 187,559.96 : x
  2. Step 2: Convert to fraction form
    268,383.58/369,978.44 = 187,559.96/x
  3. Step 3: Cross multiply
    268,383.58x = 369,978.44 × 187,559.96
  4. Step 4: Simplify right side
    268,383.58x = 69,393,138,619.57
  5. Step 5: Solve for x
    x = 69,393,138,619.57/268,383.58
  6. Step 6: Final answer
    x = 258,559.56

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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.