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Finding the Fourth Proportional to 300,027.20, 450,235.20 and 173,667.20

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Solution

The fourth proportional to 300,027.20, 450,235.20 and 173,667.20 is: 260,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,027.20 : 450,235.20 = 173,667.20 : x
  2. Step 2: Convert to fraction form
    300,027.20/450,235.20 = 173,667.20/x
  3. Step 3: Cross multiply
    300,027.20x = 450,235.20 × 173,667.20
  4. Step 4: Simplify right side
    300,027.20x = 78,191,086,525.44
  5. Step 5: Solve for x
    x = 78,191,086,525.44/300,027.20
  6. Step 6: Final answer
    x = 260,613.33

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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.