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Finding the Fourth Proportional to 363,380.61, 501,352.36 and 206,190.74

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Solution

The fourth proportional to 363,380.61, 501,352.36 and 206,190.74 is: 284,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,380.61 : 501,352.36 = 206,190.74 : x
  2. Step 2: Convert to fraction form
    363,380.61/501,352.36 = 206,190.74/x
  3. Step 3: Cross multiply
    363,380.61x = 501,352.36 × 206,190.74
  4. Step 4: Simplify right side
    363,380.61x = 103,374,214,016.91
  5. Step 5: Solve for x
    x = 103,374,214,016.91/363,380.61
  6. Step 6: Final answer
    x = 284,479.17

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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.