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Finding the Fourth Proportional to 395,391.50, 591,599.24 and 277,293.26

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Solution

The fourth proportional to 395,391.50, 591,599.24 and 277,293.26 is: 414,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,391.50 : 591,599.24 = 277,293.26 : x
  2. Step 2: Convert to fraction form
    395,391.50/591,599.24 = 277,293.26/x
  3. Step 3: Cross multiply
    395,391.50x = 591,599.24 × 277,293.26
  4. Step 4: Simplify right side
    395,391.50x = 164,046,481,873.12
  5. Step 5: Solve for x
    x = 164,046,481,873.12/395,391.50
  6. Step 6: Final answer
    x = 414,896.33

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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.