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Finding the Fourth Proportional to 326,462.21, 450,540.17 and 181,275.49

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Solution

The fourth proportional to 326,462.21, 450,540.17 and 181,275.49 is: 250,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,462.21 : 450,540.17 = 181,275.49 : x
  2. Step 2: Convert to fraction form
    326,462.21/450,540.17 = 181,275.49/x
  3. Step 3: Cross multiply
    326,462.21x = 450,540.17 × 181,275.49
  4. Step 4: Simplify right side
    326,462.21x = 81,671,889,175.06
  5. Step 5: Solve for x
    x = 81,671,889,175.06/326,462.21
  6. Step 6: Final answer
    x = 250,172.57

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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.