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Finding the Fourth Proportional to 300,645.32, 414,604.31 and 179,767.40

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Solution

The fourth proportional to 300,645.32, 414,604.31 and 179,767.40 is: 247,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,645.32 : 414,604.31 = 179,767.40 : x
  2. Step 2: Convert to fraction form
    300,645.32/414,604.31 = 179,767.40/x
  3. Step 3: Cross multiply
    300,645.32x = 414,604.31 × 179,767.40
  4. Step 4: Simplify right side
    300,645.32x = 74,532,335,865.64
  5. Step 5: Solve for x
    x = 74,532,335,865.64/300,645.32
  6. Step 6: Final answer
    x = 247,907.86

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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.