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Finding the Fourth Proportional to 451,258.54, 622,736.90 and 247,317.56

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Solution

The fourth proportional to 451,258.54, 622,736.90 and 247,317.56 is: 341,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,258.54 : 622,736.90 = 247,317.56 : x
  2. Step 2: Convert to fraction form
    451,258.54/622,736.90 = 247,317.56/x
  3. Step 3: Cross multiply
    451,258.54x = 622,736.90 × 247,317.56
  4. Step 4: Simplify right side
    451,258.54x = 154,013,770,629.96
  5. Step 5: Solve for x
    x = 154,013,770,629.96/451,258.54
  6. Step 6: Final answer
    x = 341,298.30

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1.5x scale

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.