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Finding the Fourth Proportional to 606,498.77, 909,735.74 and 269,448.05

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Solution

The fourth proportional to 606,498.77, 909,735.74 and 269,448.05 is: 404,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,498.77 : 909,735.74 = 269,448.05 : x
  2. Step 2: Convert to fraction form
    606,498.77/909,735.74 = 269,448.05/x
  3. Step 3: Cross multiply
    606,498.77x = 909,735.74 × 269,448.05
  4. Step 4: Simplify right side
    606,498.77x = 245,126,519,811.07
  5. Step 5: Solve for x
    x = 245,126,519,811.07/606,498.77
  6. Step 6: Final answer
    x = 404,166.56

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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.