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Finding the Fourth Proportional to 362,896.20, 544,344.30 and 356,991.30

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Solution

The fourth proportional to 362,896.20, 544,344.30 and 356,991.30 is: 535,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,896.20 : 544,344.30 = 356,991.30 : x
  2. Step 2: Convert to fraction form
    362,896.20/544,344.30 = 356,991.30/x
  3. Step 3: Cross multiply
    362,896.20x = 544,344.30 × 356,991.30
  4. Step 4: Simplify right side
    362,896.20x = 194,326,179,304.59
  5. Step 5: Solve for x
    x = 194,326,179,304.59/362,896.20
  6. Step 6: Final answer
    x = 535,486.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.