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Finding the Fourth Proportional to 366,021.54, 548,033.58 and 277,005.78

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Solution

The fourth proportional to 366,021.54, 548,033.58 and 277,005.78 is: 414,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,021.54 : 548,033.58 = 277,005.78 : x
  2. Step 2: Convert to fraction form
    366,021.54/548,033.58 = 277,005.78/x
  3. Step 3: Cross multiply
    366,021.54x = 548,033.58 × 277,005.78
  4. Step 4: Simplify right side
    366,021.54x = 151,808,469,294.09
  5. Step 5: Solve for x
    x = 151,808,469,294.09/366,021.54
  6. Step 6: Final answer
    x = 414,752.83

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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.