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Finding the Fourth Proportional to 295,900.40, 443,850.60 and 248,661.20

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Solution

The fourth proportional to 295,900.40, 443,850.60 and 248,661.20 is: 372,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,900.40 : 443,850.60 = 248,661.20 : x
  2. Step 2: Convert to fraction form
    295,900.40/443,850.60 = 248,661.20/x
  3. Step 3: Cross multiply
    295,900.40x = 443,850.60 × 248,661.20
  4. Step 4: Simplify right side
    295,900.40x = 110,368,422,816.72
  5. Step 5: Solve for x
    x = 110,368,422,816.72/295,900.40
  6. Step 6: Final answer
    x = 372,991.80

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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.