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Finding the Fourth Proportional to 351,192.60, 526,659.30 and 173,640.60

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Solution

The fourth proportional to 351,192.60, 526,659.30 and 173,640.60 is: 260,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,192.60 : 526,659.30 = 173,640.60 : x
  2. Step 2: Convert to fraction form
    351,192.60/526,659.30 = 173,640.60/x
  3. Step 3: Cross multiply
    351,192.60x = 526,659.30 × 173,640.60
  4. Step 4: Simplify right side
    351,192.60x = 91,449,436,847.58
  5. Step 5: Solve for x
    x = 91,449,436,847.58/351,192.60
  6. Step 6: Final answer
    x = 260,396.82

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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.