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Finding the Fourth Proportional to 301,074.67, 451,612 and 101,378.33

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Solution

The fourth proportional to 301,074.67, 451,612 and 101,378.33 is: 152,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,074.67 : 451,612 = 101,378.33 : x
  2. Step 2: Convert to fraction form
    301,074.67/451,612 = 101,378.33/x
  3. Step 3: Cross multiply
    301,074.67x = 451,612 × 101,378.33
  4. Step 4: Simplify right side
    301,074.67x = 45,783,670,367.96
  5. Step 5: Solve for x
    x = 45,783,670,367.96/301,074.67
  6. Step 6: Final answer
    x = 152,067.49

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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.