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Finding the Fourth Proportional to 483,402.30, 667,083.20 and 268,542.89

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Solution

The fourth proportional to 483,402.30, 667,083.20 and 268,542.89 is: 370,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,402.30 : 667,083.20 = 268,542.89 : x
  2. Step 2: Convert to fraction form
    483,402.30/667,083.20 = 268,542.89/x
  3. Step 3: Cross multiply
    483,402.30x = 667,083.20 × 268,542.89
  4. Step 4: Simplify right side
    483,402.30x = 179,140,448,221.88
  5. Step 5: Solve for x
    x = 179,140,448,221.88/483,402.30
  6. Step 6: Final answer
    x = 370,582.53

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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.