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Finding the Fourth Proportional to 451,254.72, 622,735.20 and 250,054.08

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Solution

The fourth proportional to 451,254.72, 622,735.20 and 250,054.08 is: 345,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,254.72 : 622,735.20 = 250,054.08 : x
  2. Step 2: Convert to fraction form
    451,254.72/622,735.20 = 250,054.08/x
  3. Step 3: Cross multiply
    451,254.72x = 622,735.20 × 250,054.08
  4. Step 4: Simplify right side
    451,254.72x = 155,717,477,519.62
  5. Step 5: Solve for x
    x = 155,717,477,519.62/451,254.72
  6. Step 6: Final answer
    x = 345,076.67

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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.