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Finding the Fourth Proportional to 293,755.20, 440,632.80 and 233,620.80

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Solution

The fourth proportional to 293,755.20, 440,632.80 and 233,620.80 is: 350,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,755.20 : 440,632.80 = 233,620.80 : x
  2. Step 2: Convert to fraction form
    293,755.20/440,632.80 = 233,620.80/x
  3. Step 3: Cross multiply
    293,755.20x = 440,632.80 × 233,620.80
  4. Step 4: Simplify right side
    293,755.20x = 102,940,987,242.24
  5. Step 5: Solve for x
    x = 102,940,987,242.24/293,755.20
  6. Step 6: Final answer
    x = 350,431.20

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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.