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Finding the Fourth Proportional to 270,300.69, 372,933.09 and 188,626.77

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Solution

The fourth proportional to 270,300.69, 372,933.09 and 188,626.77 is: 260,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,300.69 : 372,933.09 = 188,626.77 : x
  2. Step 2: Convert to fraction form
    270,300.69/372,933.09 = 188,626.77/x
  3. Step 3: Cross multiply
    270,300.69x = 372,933.09 × 188,626.77
  4. Step 4: Simplify right side
    270,300.69x = 70,345,164,192.82
  5. Step 5: Solve for x
    x = 70,345,164,192.82/270,300.69
  6. Step 6: Final answer
    x = 260,247.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.