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Finding the Fourth Proportional to 263,995.80, 395,216.10 and 248,616.60

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Solution

The fourth proportional to 263,995.80, 395,216.10 and 248,616.60 is: 372,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,995.80 : 395,216.10 = 248,616.60 : x
  2. Step 2: Convert to fraction form
    263,995.80/395,216.10 = 248,616.60/x
  3. Step 3: Cross multiply
    263,995.80x = 395,216.10 × 248,616.60
  4. Step 4: Simplify right side
    263,995.80x = 98,257,283,047.26
  5. Step 5: Solve for x
    x = 98,257,283,047.26/263,995.80
  6. Step 6: Final answer
    x = 372,192.60

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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.