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Finding the Fourth Proportional to 298,081.73, 447,122.60 and 173,335.25

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Solution

The fourth proportional to 298,081.73, 447,122.60 and 173,335.25 is: 260,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,081.73 : 447,122.60 = 173,335.25 : x
  2. Step 2: Convert to fraction form
    298,081.73/447,122.60 = 173,335.25/x
  3. Step 3: Cross multiply
    298,081.73x = 447,122.60 × 173,335.25
  4. Step 4: Simplify right side
    298,081.73x = 77,502,107,651.65
  5. Step 5: Solve for x
    x = 77,502,107,651.65/298,081.73
  6. Step 6: Final answer
    x = 260,002.88

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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.