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Finding the Fourth Proportional to 326,676.80, 450,782.61 and 183,404

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Solution

The fourth proportional to 326,676.80, 450,782.61 and 183,404 is: 253,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,676.80 : 450,782.61 = 183,404 : x
  2. Step 2: Convert to fraction form
    326,676.80/450,782.61 = 183,404/x
  3. Step 3: Cross multiply
    326,676.80x = 450,782.61 × 183,404
  4. Step 4: Simplify right side
    326,676.80x = 82,675,333,804.44
  5. Step 5: Solve for x
    x = 82,675,333,804.44/326,676.80
  6. Step 6: Final answer
    x = 253,079.91

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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.