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Finding the Fourth Proportional to 503,353.25, 694,627.60 and 276,998.75

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Solution

The fourth proportional to 503,353.25, 694,627.60 and 276,998.75 is: 382,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,353.25 : 694,627.60 = 276,998.75 : x
  2. Step 2: Convert to fraction form
    503,353.25/694,627.60 = 276,998.75/x
  3. Step 3: Cross multiply
    503,353.25x = 694,627.60 × 276,998.75
  4. Step 4: Simplify right side
    503,353.25x = 192,410,973,793.94
  5. Step 5: Solve for x
    x = 192,410,973,793.94/503,353.25
  6. Step 6: Final answer
    x = 382,258.33

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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.