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Finding the Fourth Proportional to 632,992.65, 873,631.62 and 361,149.27

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Solution

The fourth proportional to 632,992.65, 873,631.62 and 361,149.27 is: 498,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,992.65 : 873,631.62 = 361,149.27 : x
  2. Step 2: Convert to fraction form
    632,992.65/873,631.62 = 361,149.27/x
  3. Step 3: Cross multiply
    632,992.65x = 873,631.62 × 361,149.27
  4. Step 4: Simplify right side
    632,992.65x = 315,511,421,811.92
  5. Step 5: Solve for x
    x = 315,511,421,811.92/632,992.65
  6. Step 6: Final answer
    x = 498,444.05

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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.