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Finding the Fourth Proportional to 605,944.35, 909,049.56 and 179,513.56

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Solution

The fourth proportional to 605,944.35, 909,049.56 and 179,513.56 is: 269,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,944.35 : 909,049.56 = 179,513.56 : x
  2. Step 2: Convert to fraction form
    605,944.35/909,049.56 = 179,513.56/x
  3. Step 3: Cross multiply
    605,944.35x = 909,049.56 × 179,513.56
  4. Step 4: Simplify right side
    605,944.35x = 163,186,722,732.03
  5. Step 5: Solve for x
    x = 163,186,722,732.03/605,944.35
  6. Step 6: Final answer
    x = 269,309.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.