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Finding the Fourth Proportional to 300,467.13, 414,667.67 and 171,408.45

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Solution

The fourth proportional to 300,467.13, 414,667.67 and 171,408.45 is: 236,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,467.13 : 414,667.67 = 171,408.45 : x
  2. Step 2: Convert to fraction form
    300,467.13/414,667.67 = 171,408.45/x
  3. Step 3: Cross multiply
    300,467.13x = 414,667.67 × 171,408.45
  4. Step 4: Simplify right side
    300,467.13x = 71,077,542,579.81
  5. Step 5: Solve for x
    x = 71,077,542,579.81/300,467.13
  6. Step 6: Final answer
    x = 236,556.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.