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Finding the Fourth Proportional to 202,626.10, 303,611.10 and 190,816.30

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Solution

The fourth proportional to 202,626.10, 303,611.10 and 190,816.30 is: 285,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,626.10 : 303,611.10 = 190,816.30 : x
  2. Step 2: Convert to fraction form
    202,626.10/303,611.10 = 190,816.30/x
  3. Step 3: Cross multiply
    202,626.10x = 303,611.10 × 190,816.30
  4. Step 4: Simplify right side
    202,626.10x = 57,933,946,740.93
  5. Step 5: Solve for x
    x = 57,933,946,740.93/202,626.10
  6. Step 6: Final answer
    x = 285,915.52

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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.