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Finding the Fourth Proportional to 300,447.90, 414,589.32 and 179,565.12

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Solution

The fourth proportional to 300,447.90, 414,589.32 and 179,565.12 is: 247,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,447.90 : 414,589.32 = 179,565.12 : x
  2. Step 2: Convert to fraction form
    300,447.90/414,589.32 = 179,565.12/x
  3. Step 3: Cross multiply
    300,447.90x = 414,589.32 × 179,565.12
  4. Step 4: Simplify right side
    300,447.90x = 74,445,780,996.52
  5. Step 5: Solve for x
    x = 74,445,780,996.52/300,447.90
  6. Step 6: Final answer
    x = 247,782.66

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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.