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Finding the Fourth Proportional to 274,980.69, 412,190.77 and 250,739.07

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Solution

The fourth proportional to 274,980.69, 412,190.77 and 250,739.07 is: 375,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,980.69 : 412,190.77 = 250,739.07 : x
  2. Step 2: Convert to fraction form
    274,980.69/412,190.77 = 250,739.07/x
  3. Step 3: Cross multiply
    274,980.69x = 412,190.77 × 250,739.07
  4. Step 4: Simplify right side
    274,980.69x = 103,352,330,332.38
  5. Step 5: Solve for x
    x = 103,352,330,332.38/274,980.69
  6. Step 6: Final answer
    x = 375,853.05

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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.