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Finding the Fourth Proportional to 300,335.70, 414,422.37 and 179,451.45

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Solution

The fourth proportional to 300,335.70, 414,422.37 and 179,451.45 is: 247,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,335.70 : 414,422.37 = 179,451.45 : x
  2. Step 2: Convert to fraction form
    300,335.70/414,422.37 = 179,451.45/x
  3. Step 3: Cross multiply
    300,335.70x = 414,422.37 × 179,451.45
  4. Step 4: Simplify right side
    300,335.70x = 74,368,695,208.94
  5. Step 5: Solve for x
    x = 74,368,695,208.94/300,335.70
  6. Step 6: Final answer
    x = 247,618.57

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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.