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Finding the Fourth Proportional to 300,304.83, 414,379.69 and 179,420.43

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Solution

The fourth proportional to 300,304.83, 414,379.69 and 179,420.43 is: 247,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,304.83 : 414,379.69 = 179,420.43 : x
  2. Step 2: Convert to fraction form
    300,304.83/414,379.69 = 179,420.43/x
  3. Step 3: Cross multiply
    300,304.83x = 414,379.69 × 179,420.43
  4. Step 4: Simplify right side
    300,304.83x = 74,348,182,163.07
  5. Step 5: Solve for x
    x = 74,348,182,163.07/300,304.83
  6. Step 6: Final answer
    x = 247,575.71

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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.