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Finding the Fourth Proportional to 263,224.80, 395,096.40 and 130,255.20

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Solution

The fourth proportional to 263,224.80, 395,096.40 and 130,255.20 is: 195,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,224.80 : 395,096.40 = 130,255.20 : x
  2. Step 2: Convert to fraction form
    263,224.80/395,096.40 = 130,255.20/x
  3. Step 3: Cross multiply
    263,224.80x = 395,096.40 × 130,255.20
  4. Step 4: Simplify right side
    263,224.80x = 51,463,360,601.28
  5. Step 5: Solve for x
    x = 51,463,360,601.28/263,224.80
  6. Step 6: Final answer
    x = 195,511.06

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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.