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Finding the Fourth Proportional to 322,589.94, 445,148.79 and 179,341.26

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Solution

The fourth proportional to 322,589.94, 445,148.79 and 179,341.26 is: 247,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,589.94 : 445,148.79 = 179,341.26 : x
  2. Step 2: Convert to fraction form
    322,589.94/445,148.79 = 179,341.26/x
  3. Step 3: Cross multiply
    322,589.94x = 445,148.79 × 179,341.26
  4. Step 4: Simplify right side
    322,589.94x = 79,833,544,886.08
  5. Step 5: Solve for x
    x = 79,833,544,886.08/322,589.94
  6. Step 6: Final answer
    x = 247,476.86

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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.