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Finding the Fourth Proportional to 500,379.75, 750,647.39 and 168,033.51

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Solution

The fourth proportional to 500,379.75, 750,647.39 and 168,033.51 is: 252,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,379.75 : 750,647.39 = 168,033.51 : x
  2. Step 2: Convert to fraction form
    500,379.75/750,647.39 = 168,033.51/x
  3. Step 3: Cross multiply
    500,379.75x = 750,647.39 × 168,033.51
  4. Step 4: Simplify right side
    500,379.75x = 126,133,914,873.87
  5. Step 5: Solve for x
    x = 126,133,914,873.87/500,379.75
  6. Step 6: Final answer
    x = 252,076.38

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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.