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Finding the Fourth Proportional to 395,767.80, 593,651.70 and 236,100.60

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Solution

The fourth proportional to 395,767.80, 593,651.70 and 236,100.60 is: 354,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,767.80 : 593,651.70 = 236,100.60 : x
  2. Step 2: Convert to fraction form
    395,767.80/593,651.70 = 236,100.60/x
  3. Step 3: Cross multiply
    395,767.80x = 593,651.70 × 236,100.60
  4. Step 4: Simplify right side
    395,767.80x = 140,161,522,561.02
  5. Step 5: Solve for x
    x = 140,161,522,561.02/395,767.80
  6. Step 6: Final answer
    x = 354,150.90

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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.