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Finding the Fourth Proportional to 300,546.25, 450,103.83 and 173,919.56

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Solution

The fourth proportional to 300,546.25, 450,103.83 and 173,919.56 is: 260,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,546.25 : 450,103.83 = 173,919.56 : x
  2. Step 2: Convert to fraction form
    300,546.25/450,103.83 = 173,919.56/x
  3. Step 3: Cross multiply
    300,546.25x = 450,103.83 × 173,919.56
  4. Step 4: Simplify right side
    300,546.25x = 78,281,858,853.09
  5. Step 5: Solve for x
    x = 78,281,858,853.09/300,546.25
  6. Step 6: Final answer
    x = 260,465.26

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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.