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Finding the Fourth Proportional to 540,163.44, 810,245.52 and 140,803.20

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Solution

The fourth proportional to 540,163.44, 810,245.52 and 140,803.20 is: 211,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,163.44 : 810,245.52 = 140,803.20 : x
  2. Step 2: Convert to fraction form
    540,163.44/810,245.52 = 140,803.20/x
  3. Step 3: Cross multiply
    540,163.44x = 810,245.52 × 140,803.20
  4. Step 4: Simplify right side
    540,163.44x = 114,085,162,001.66
  5. Step 5: Solve for x
    x = 114,085,162,001.66/540,163.44
  6. Step 6: Final answer
    x = 211,204.89

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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.