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Finding the Fourth Proportional to 362,992.30, 500,908.77 and 201,843.89

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Solution

The fourth proportional to 362,992.30, 500,908.77 and 201,843.89 is: 278,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,992.30 : 500,908.77 = 201,843.89 : x
  2. Step 2: Convert to fraction form
    362,992.30/500,908.77 = 201,843.89/x
  3. Step 3: Cross multiply
    362,992.30x = 500,908.77 × 201,843.89
  4. Step 4: Simplify right side
    362,992.30x = 101,105,373,625.22
  5. Step 5: Solve for x
    x = 101,105,373,625.22/362,992.30
  6. Step 6: Final answer
    x = 278,533.11

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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.