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Finding the Fourth Proportional to 248,900.40, 374,128.20 and 244,234.80

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Solution

The fourth proportional to 248,900.40, 374,128.20 and 244,234.80 is: 367,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,900.40 : 374,128.20 = 244,234.80 : x
  2. Step 2: Convert to fraction form
    248,900.40/374,128.20 = 244,234.80/x
  3. Step 3: Cross multiply
    248,900.40x = 374,128.20 × 244,234.80
  4. Step 4: Simplify right side
    248,900.40x = 91,375,126,101.36
  5. Step 5: Solve for x
    x = 91,375,126,101.36/248,900.40
  6. Step 6: Final answer
    x = 367,115.22

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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.