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Finding the Fourth Proportional to 367,219.75, 550,832.70 and 100,994.87

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Solution

The fourth proportional to 367,219.75, 550,832.70 and 100,994.87 is: 151,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,219.75 : 550,832.70 = 100,994.87 : x
  2. Step 2: Convert to fraction form
    367,219.75/550,832.70 = 100,994.87/x
  3. Step 3: Cross multiply
    367,219.75x = 550,832.70 × 100,994.87
  4. Step 4: Simplify right side
    367,219.75x = 55,631,276,928.25
  5. Step 5: Solve for x
    x = 55,631,276,928.25/367,219.75
  6. Step 6: Final answer
    x = 151,493.15

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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.