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Finding the Fourth Proportional to 322,723.34, 445,370.49 and 179,493.74

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Solution

The fourth proportional to 322,723.34, 445,370.49 and 179,493.74 is: 247,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,723.34 : 445,370.49 = 179,493.74 : x
  2. Step 2: Convert to fraction form
    322,723.34/445,370.49 = 179,493.74/x
  3. Step 3: Cross multiply
    322,723.34x = 445,370.49 × 179,493.74
  4. Step 4: Simplify right side
    322,723.34x = 79,941,212,708.88
  5. Step 5: Solve for x
    x = 79,941,212,708.88/322,723.34
  6. Step 6: Final answer
    x = 247,708.19

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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.