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Finding the Fourth Proportional to 373,201.16, 515,016.81 and 209,858.22

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Solution

The fourth proportional to 373,201.16, 515,016.81 and 209,858.22 is: 289,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,201.16 : 515,016.81 = 209,858.22 : x
  2. Step 2: Convert to fraction form
    373,201.16/515,016.81 = 209,858.22/x
  3. Step 3: Cross multiply
    373,201.16x = 515,016.81 × 209,858.22
  4. Step 4: Simplify right side
    373,201.16x = 108,080,511,016.68
  5. Step 5: Solve for x
    x = 108,080,511,016.68/373,201.16
  6. Step 6: Final answer
    x = 289,603.90

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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.