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Finding the Fourth Proportional to 240,580.56, 331,781.94 and 206,578.56

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Solution

The fourth proportional to 240,580.56, 331,781.94 and 206,578.56 is: 284,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,580.56 : 331,781.94 = 206,578.56 : x
  2. Step 2: Convert to fraction form
    240,580.56/331,781.94 = 206,578.56/x
  3. Step 3: Cross multiply
    240,580.56x = 331,781.94 × 206,578.56
  4. Step 4: Simplify right side
    240,580.56x = 68,539,035,399.21
  5. Step 5: Solve for x
    x = 68,539,035,399.21/240,580.56
  6. Step 6: Final answer
    x = 284,890.16

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1.5x scale

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.