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Finding the Fourth Proportional to 372,650.80, 514,241.16 and 202,884.56

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Solution

The fourth proportional to 372,650.80, 514,241.16 and 202,884.56 is: 279,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,650.80 : 514,241.16 = 202,884.56 : x
  2. Step 2: Convert to fraction form
    372,650.80/514,241.16 = 202,884.56/x
  3. Step 3: Cross multiply
    372,650.80x = 514,241.16 × 202,884.56
  4. Step 4: Simplify right side
    372,650.80x = 104,331,591,480.49
  5. Step 5: Solve for x
    x = 104,331,591,480.49/372,650.80
  6. Step 6: Final answer
    x = 279,971.47

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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.