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Finding the Fourth Proportional to 356,884.08, 492,513.83 and 195,745.92

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Solution

The fourth proportional to 356,884.08, 492,513.83 and 195,745.92 is: 270,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,884.08 : 492,513.83 = 195,745.92 : x
  2. Step 2: Convert to fraction form
    356,884.08/492,513.83 = 195,745.92/x
  3. Step 3: Cross multiply
    356,884.08x = 492,513.83 × 195,745.92
  4. Step 4: Simplify right side
    356,884.08x = 96,407,572,766.07
  5. Step 5: Solve for x
    x = 96,407,572,766.07/356,884.08
  6. Step 6: Final answer
    x = 270,136.94

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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.