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Finding the Fourth Proportional to 373,090.83, 514,850.33 and 203,321.31

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Solution

The fourth proportional to 373,090.83, 514,850.33 and 203,321.31 is: 280,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,090.83 : 514,850.33 = 203,321.31 : x
  2. Step 2: Convert to fraction form
    373,090.83/514,850.33 = 203,321.31/x
  3. Step 3: Cross multiply
    373,090.83x = 514,850.33 × 203,321.31
  4. Step 4: Simplify right side
    373,090.83x = 104,680,042,532.93
  5. Step 5: Solve for x
    x = 104,680,042,532.93/373,090.83
  6. Step 6: Final answer
    x = 280,575.22

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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.