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Finding the Fourth Proportional to 373,775.28, 515,876.76 and 222,882

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Solution

The fourth proportional to 373,775.28, 515,876.76 and 222,882 is: 307,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,775.28 : 515,876.76 = 222,882 : x
  2. Step 2: Convert to fraction form
    373,775.28/515,876.76 = 222,882/x
  3. Step 3: Cross multiply
    373,775.28x = 515,876.76 × 222,882
  4. Step 4: Simplify right side
    373,775.28x = 114,979,644,022.32
  5. Step 5: Solve for x
    x = 114,979,644,022.32/373,775.28
  6. Step 6: Final answer
    x = 307,617.04

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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.