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Finding the Fourth Proportional to 451,089.50, 622,503.51 and 269,809.07

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Solution

The fourth proportional to 451,089.50, 622,503.51 and 269,809.07 is: 372,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,089.50 : 622,503.51 = 269,809.07 : x
  2. Step 2: Convert to fraction form
    451,089.50/622,503.51 = 269,809.07/x
  3. Step 3: Cross multiply
    451,089.50x = 622,503.51 × 269,809.07
  4. Step 4: Simplify right side
    451,089.50x = 167,957,093,104.84
  5. Step 5: Solve for x
    x = 167,957,093,104.84/451,089.50
  6. Step 6: Final answer
    x = 372,336.52

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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.