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Finding the Fourth Proportional to 451,172.72, 622,600.07 and 269,777.67

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Solution

The fourth proportional to 451,172.72, 622,600.07 and 269,777.67 is: 372,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,172.72 : 622,600.07 = 269,777.67 : x
  2. Step 2: Convert to fraction form
    451,172.72/622,600.07 = 269,777.67/x
  3. Step 3: Cross multiply
    451,172.72x = 622,600.07 × 269,777.67
  4. Step 4: Simplify right side
    451,172.72x = 167,963,594,877.55
  5. Step 5: Solve for x
    x = 167,963,594,877.55/451,172.72
  6. Step 6: Final answer
    x = 372,282.25

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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.