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Finding the Fourth Proportional to 326,605.72, 450,704.33 and 183,371.80

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Solution

The fourth proportional to 326,605.72, 450,704.33 and 183,371.80 is: 253,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,605.72 : 450,704.33 = 183,371.80 : x
  2. Step 2: Convert to fraction form
    326,605.72/450,704.33 = 183,371.80/x
  3. Step 3: Cross multiply
    326,605.72x = 450,704.33 × 183,371.80
  4. Step 4: Simplify right side
    326,605.72x = 82,646,463,233.26
  5. Step 5: Solve for x
    x = 82,646,463,233.26/326,605.72
  6. Step 6: Final answer
    x = 253,046.59

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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.