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Finding the Fourth Proportional to 300,388.22, 414,507.39 and 179,505.44

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Solution

The fourth proportional to 300,388.22, 414,507.39 and 179,505.44 is: 247,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,388.22 : 414,507.39 = 179,505.44 : x
  2. Step 2: Convert to fraction form
    300,388.22/414,507.39 = 179,505.44/x
  3. Step 3: Cross multiply
    300,388.22x = 414,507.39 × 179,505.44
  4. Step 4: Simplify right side
    300,388.22x = 74,406,331,425.20
  5. Step 5: Solve for x
    x = 74,406,331,425.20/300,388.22
  6. Step 6: Final answer
    x = 247,700.56

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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.