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Finding the Fourth Proportional to 300,416.56, 414,546.76 and 179,533.84

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Solution

The fourth proportional to 300,416.56, 414,546.76 and 179,533.84 is: 247,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,416.56 : 414,546.76 = 179,533.84 : x
  2. Step 2: Convert to fraction form
    300,416.56/414,546.76 = 179,533.84/x
  3. Step 3: Cross multiply
    300,416.56x = 414,546.76 × 179,533.84
  4. Step 4: Simplify right side
    300,416.56x = 74,425,171,682.36
  5. Step 5: Solve for x
    x = 74,425,171,682.36/300,416.56
  6. Step 6: Final answer
    x = 247,739.91

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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.