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Finding the Fourth Proportional to 373,676.26, 515,684.16 and 203,921.32

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Solution

The fourth proportional to 373,676.26, 515,684.16 and 203,921.32 is: 281,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,676.26 : 515,684.16 = 203,921.32 : x
  2. Step 2: Convert to fraction form
    373,676.26/515,684.16 = 203,921.32/x
  3. Step 3: Cross multiply
    373,676.26x = 515,684.16 × 203,921.32
  4. Step 4: Simplify right side
    373,676.26x = 105,158,994,610.29
  5. Step 5: Solve for x
    x = 105,158,994,610.29/373,676.26
  6. Step 6: Final answer
    x = 281,417.38

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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.