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Finding the Fourth Proportional to 503,883.25, 695,359.60 and 274,441.44

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Solution

The fourth proportional to 503,883.25, 695,359.60 and 274,441.44 is: 378,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,883.25 : 695,359.60 = 274,441.44 : x
  2. Step 2: Convert to fraction form
    503,883.25/695,359.60 = 274,441.44/x
  3. Step 3: Cross multiply
    503,883.25x = 695,359.60 × 274,441.44
  4. Step 4: Simplify right side
    503,883.25x = 190,835,486,648.12
  5. Step 5: Solve for x
    x = 190,835,486,648.12/503,883.25
  6. Step 6: Final answer
    x = 378,729.57

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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.