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Finding the Fourth Proportional to 325,696.60, 488,544.90 and 270,400.60

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Solution

The fourth proportional to 325,696.60, 488,544.90 and 270,400.60 is: 405,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,696.60 : 488,544.90 = 270,400.60 : x
  2. Step 2: Convert to fraction form
    325,696.60/488,544.90 = 270,400.60/x
  3. Step 3: Cross multiply
    325,696.60x = 488,544.90 × 270,400.60
  4. Step 4: Simplify right side
    325,696.60x = 132,102,834,086.94
  5. Step 5: Solve for x
    x = 132,102,834,086.94/325,696.60
  6. Step 6: Final answer
    x = 405,600.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.