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Finding the Fourth Proportional to 500,832.78, 751,276.53 and 126,859.02

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Solution

The fourth proportional to 500,832.78, 751,276.53 and 126,859.02 is: 190,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832.78 : 751,276.53 = 126,859.02 : x
  2. Step 2: Convert to fraction form
    500,832.78/751,276.53 = 126,859.02/x
  3. Step 3: Cross multiply
    500,832.78x = 751,276.53 × 126,859.02
  4. Step 4: Simplify right side
    500,832.78x = 95,306,204,344.80
  5. Step 5: Solve for x
    x = 95,306,204,344.80/500,832.78
  6. Step 6: Final answer
    x = 190,295.46

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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.