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Finding the Fourth Proportional to 451,074.92, 622,483.29 and 247,133.07

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Solution

The fourth proportional to 451,074.92, 622,483.29 and 247,133.07 is: 341,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,074.92 : 622,483.29 = 247,133.07 : x
  2. Step 2: Convert to fraction form
    451,074.92/622,483.29 = 247,133.07/x
  3. Step 3: Cross multiply
    451,074.92x = 622,483.29 × 247,133.07
  4. Step 4: Simplify right side
    451,074.92x = 153,836,206,481.40
  5. Step 5: Solve for x
    x = 153,836,206,481.40/451,074.92
  6. Step 6: Final answer
    x = 341,043.59

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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.