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Finding the Fourth Proportional to 362,502.16, 500,252.78 and 201,372.21

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Solution

The fourth proportional to 362,502.16, 500,252.78 and 201,372.21 is: 277,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,502.16 : 500,252.78 = 201,372.21 : x
  2. Step 2: Convert to fraction form
    362,502.16/500,252.78 = 201,372.21/x
  3. Step 3: Cross multiply
    362,502.16x = 500,252.78 × 201,372.21
  4. Step 4: Simplify right side
    362,502.16x = 100,737,008,370.67
  5. Step 5: Solve for x
    x = 100,737,008,370.67/362,502.16
  6. Step 6: Final answer
    x = 277,893.54

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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.