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Finding the Fourth Proportional to 301,212.56, 451,530.84 and 111,622.16

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Solution

The fourth proportional to 301,212.56, 451,530.84 and 111,622.16 is: 167,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,212.56 : 451,530.84 = 111,622.16 : x
  2. Step 2: Convert to fraction form
    301,212.56/451,530.84 = 111,622.16/x
  3. Step 3: Cross multiply
    301,212.56x = 451,530.84 × 111,622.16
  4. Step 4: Simplify right side
    301,212.56x = 50,400,847,667.41
  5. Step 5: Solve for x
    x = 50,400,847,667.41/301,212.56
  6. Step 6: Final answer
    x = 167,326.51

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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.