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Finding the Fourth Proportional to 263,500.20, 395,250.30 and 73,960.20

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Solution

The fourth proportional to 263,500.20, 395,250.30 and 73,960.20 is: 110,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,500.20 : 395,250.30 = 73,960.20 : x
  2. Step 2: Convert to fraction form
    263,500.20/395,250.30 = 73,960.20/x
  3. Step 3: Cross multiply
    263,500.20x = 395,250.30 × 73,960.20
  4. Step 4: Simplify right side
    263,500.20x = 29,232,791,238.06
  5. Step 5: Solve for x
    x = 29,232,791,238.06/263,500.20
  6. Step 6: Final answer
    x = 110,940.30

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Double scale
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Similar ratio
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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.