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Finding the Fourth Proportional to 500,714.56, 751,072.38 and 126,737.56

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Solution

The fourth proportional to 500,714.56, 751,072.38 and 126,737.56 is: 190,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,714.56 : 751,072.38 = 126,737.56 : x
  2. Step 2: Convert to fraction form
    500,714.56/751,072.38 = 126,737.56/x
  3. Step 3: Cross multiply
    500,714.56x = 751,072.38 × 126,737.56
  4. Step 4: Simplify right side
    500,714.56x = 95,189,080,824.59
  5. Step 5: Solve for x
    x = 95,189,080,824.59/500,714.56
  6. Step 6: Final answer
    x = 190,106.48

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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.