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Finding the Fourth Proportional to 303,626.23, 455,408.05 and 101,200.46

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Solution

The fourth proportional to 303,626.23, 455,408.05 and 101,200.46 is: 151,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,626.23 : 455,408.05 = 101,200.46 : x
  2. Step 2: Convert to fraction form
    303,626.23/455,408.05 = 101,200.46/x
  3. Step 3: Cross multiply
    303,626.23x = 455,408.05 × 101,200.46
  4. Step 4: Simplify right side
    303,626.23x = 46,087,504,147.70
  5. Step 5: Solve for x
    x = 46,087,504,147.70/303,626.23
  6. Step 6: Final answer
    x = 151,790.26

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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.