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Finding the Fourth Proportional to 336,989.75, 465,046.26 and 186,086.75

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Solution

The fourth proportional to 336,989.75, 465,046.26 and 186,086.75 is: 256,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,989.75 : 465,046.26 = 186,086.75 : x
  2. Step 2: Convert to fraction form
    336,989.75/465,046.26 = 186,086.75/x
  3. Step 3: Cross multiply
    336,989.75x = 465,046.26 × 186,086.75
  4. Step 4: Simplify right side
    336,989.75x = 86,538,947,123.06
  5. Step 5: Solve for x
    x = 86,538,947,123.06/336,989.75
  6. Step 6: Final answer
    x = 256,799.94

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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.