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Finding the Fourth Proportional to 500,904, 751,399.74 and 126,927

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Solution

The fourth proportional to 500,904, 751,399.74 and 126,927 is: 190,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,904 : 751,399.74 = 126,927 : x
  2. Step 2: Convert to fraction form
    500,904/751,399.74 = 126,927/x
  3. Step 3: Cross multiply
    500,904x = 751,399.74 × 126,927
  4. Step 4: Simplify right side
    500,904x = 95,372,914,798.98
  5. Step 5: Solve for x
    x = 95,372,914,798.98/500,904
  6. Step 6: Final answer
    x = 190,401.58

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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.