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Finding the Fourth Proportional to 362,839.74, 500,729.67 and 219,625.98

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Solution

The fourth proportional to 362,839.74, 500,729.67 and 219,625.98 is: 303,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,839.74 : 500,729.67 = 219,625.98 : x
  2. Step 2: Convert to fraction form
    362,839.74/500,729.67 = 219,625.98/x
  3. Step 3: Cross multiply
    362,839.74x = 500,729.67 × 219,625.98
  4. Step 4: Simplify right side
    362,839.74x = 109,973,244,488.83
  5. Step 5: Solve for x
    x = 109,973,244,488.83/362,839.74
  6. Step 6: Final answer
    x = 303,090.41

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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.