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Finding the Fourth Proportional to 326,613.13, 450,733.25 and 179,439.88

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Solution

The fourth proportional to 326,613.13, 450,733.25 and 179,439.88 is: 247,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,613.13 : 450,733.25 = 179,439.88 : x
  2. Step 2: Convert to fraction form
    326,613.13/450,733.25 = 179,439.88/x
  3. Step 3: Cross multiply
    326,613.13x = 450,733.25 × 179,439.88
  4. Step 4: Simplify right side
    326,613.13x = 80,879,520,292.01
  5. Step 5: Solve for x
    x = 80,879,520,292.01/326,613.13
  6. Step 6: Final answer
    x = 247,630.96

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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.