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Finding the Fourth Proportional to 323,509.21, 485,322.27 and 110,265.37

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Solution

The fourth proportional to 323,509.21, 485,322.27 and 110,265.37 is: 165,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,509.21 : 485,322.27 = 110,265.37 : x
  2. Step 2: Convert to fraction form
    323,509.21/485,322.27 = 110,265.37/x
  3. Step 3: Cross multiply
    323,509.21x = 485,322.27 × 110,265.37
  4. Step 4: Simplify right side
    323,509.21x = 53,514,236,692.85
  5. Step 5: Solve for x
    x = 53,514,236,692.85/323,509.21
  6. Step 6: Final answer
    x = 165,417.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.