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Finding the Fourth Proportional to 372,791.37, 514,466.66 and 211,661.41

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Solution

The fourth proportional to 372,791.37, 514,466.66 and 211,661.41 is: 292,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,791.37 : 514,466.66 = 211,661.41 : x
  2. Step 2: Convert to fraction form
    372,791.37/514,466.66 = 211,661.41/x
  3. Step 3: Cross multiply
    372,791.37x = 514,466.66 × 211,661.41
  4. Step 4: Simplify right side
    372,791.37x = 108,892,738,653.59
  5. Step 5: Solve for x
    x = 108,892,738,653.59/372,791.37
  6. Step 6: Final answer
    x = 292,101.02

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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.