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Finding the Fourth Proportional to 326,625.43, 450,727.87 and 181,440.63

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Solution

The fourth proportional to 326,625.43, 450,727.87 and 181,440.63 is: 250,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,625.43 : 450,727.87 = 181,440.63 : x
  2. Step 2: Convert to fraction form
    326,625.43/450,727.87 = 181,440.63/x
  3. Step 3: Cross multiply
    326,625.43x = 450,727.87 × 181,440.63
  4. Step 4: Simplify right side
    326,625.43x = 81,780,345,530.52
  5. Step 5: Solve for x
    x = 81,780,345,530.52/326,625.43
  6. Step 6: Final answer
    x = 250,379.60

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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.