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Finding the Fourth Proportional to 503,475.87, 694,799.60 and 274,032.62

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Solution

The fourth proportional to 503,475.87, 694,799.60 and 274,032.62 is: 378,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,475.87 : 694,799.60 = 274,032.62 : x
  2. Step 2: Convert to fraction form
    503,475.87/694,799.60 = 274,032.62/x
  3. Step 3: Cross multiply
    503,475.87x = 694,799.60 × 274,032.62
  4. Step 4: Simplify right side
    503,475.87x = 190,397,749,918.79
  5. Step 5: Solve for x
    x = 190,397,749,918.79/503,475.87
  6. Step 6: Final answer
    x = 378,166.58

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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.