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Finding the Fourth Proportional to 277,986.62, 417,441.23 and 173,469.89

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Solution

The fourth proportional to 277,986.62, 417,441.23 and 173,469.89 is: 260,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,986.62 : 417,441.23 = 173,469.89 : x
  2. Step 2: Convert to fraction form
    277,986.62/417,441.23 = 173,469.89/x
  3. Step 3: Cross multiply
    277,986.62x = 417,441.23 × 173,469.89
  4. Step 4: Simplify right side
    277,986.62x = 72,413,481,295.01
  5. Step 5: Solve for x
    x = 72,413,481,295.01/277,986.62
  6. Step 6: Final answer
    x = 260,492.69

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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.