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Finding the Fourth Proportional to 451,259.54, 622,738.28 and 247,318.56

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Solution

The fourth proportional to 451,259.54, 622,738.28 and 247,318.56 is: 341,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,259.54 : 622,738.28 = 247,318.56 : x
  2. Step 2: Convert to fraction form
    451,259.54/622,738.28 = 247,318.56/x
  3. Step 3: Cross multiply
    451,259.54x = 622,738.28 × 247,318.56
  4. Step 4: Simplify right side
    451,259.54x = 154,014,734,666.48
  5. Step 5: Solve for x
    x = 154,014,734,666.48/451,259.54
  6. Step 6: Final answer
    x = 341,299.68

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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.