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Finding the Fourth Proportional to 451,771.32, 677,645.46 and 119,350.20

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Solution

The fourth proportional to 451,771.32, 677,645.46 and 119,350.20 is: 179,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,771.32 : 677,645.46 = 119,350.20 : x
  2. Step 2: Convert to fraction form
    451,771.32/677,645.46 = 119,350.20/x
  3. Step 3: Cross multiply
    451,771.32x = 677,645.46 × 119,350.20
  4. Step 4: Simplify right side
    451,771.32x = 80,877,121,180.09
  5. Step 5: Solve for x
    x = 80,877,121,180.09/451,771.32
  6. Step 6: Final answer
    x = 179,022.26

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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.