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Finding the Fourth Proportional to 598,393.73, 825,670.37 and 356,698.85

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Solution

The fourth proportional to 598,393.73, 825,670.37 and 356,698.85 is: 492,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,393.73 : 825,670.37 = 356,698.85 : x
  2. Step 2: Convert to fraction form
    598,393.73/825,670.37 = 356,698.85/x
  3. Step 3: Cross multiply
    598,393.73x = 825,670.37 × 356,698.85
  4. Step 4: Simplify right side
    598,393.73x = 294,515,665,546.23
  5. Step 5: Solve for x
    x = 294,515,665,546.23/598,393.73
  6. Step 6: Final answer
    x = 492,177.06

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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.