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Finding the Fourth Proportional to 367,081.56, 550,560.24 and 100,780.20

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Solution

The fourth proportional to 367,081.56, 550,560.24 and 100,780.20 is: 151,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,081.56 : 550,560.24 = 100,780.20 : x
  2. Step 2: Convert to fraction form
    367,081.56/550,560.24 = 100,780.20/x
  3. Step 3: Cross multiply
    367,081.56x = 550,560.24 × 100,780.20
  4. Step 4: Simplify right side
    367,081.56x = 55,485,571,099.25
  5. Step 5: Solve for x
    x = 55,485,571,099.25/367,081.56
  6. Step 6: Final answer
    x = 151,153.25

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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.