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Finding the Fourth Proportional to 633,081.89, 873,650.66 and 361,149.27

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Solution

The fourth proportional to 633,081.89, 873,650.66 and 361,149.27 is: 498,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,081.89 : 873,650.66 = 361,149.27 : x
  2. Step 2: Convert to fraction form
    633,081.89/873,650.66 = 361,149.27/x
  3. Step 3: Cross multiply
    633,081.89x = 873,650.66 × 361,149.27
  4. Step 4: Simplify right side
    633,081.89x = 315,518,296,288.27
  5. Step 5: Solve for x
    x = 315,518,296,288.27/633,081.89
  6. Step 6: Final answer
    x = 498,384.65

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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.