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Finding the Fourth Proportional to 337,709.68, 465,836.28 and 222,989.36

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Solution

The fourth proportional to 337,709.68, 465,836.28 and 222,989.36 is: 307,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,709.68 : 465,836.28 = 222,989.36 : x
  2. Step 2: Convert to fraction form
    337,709.68/465,836.28 = 222,989.36/x
  3. Step 3: Cross multiply
    337,709.68x = 465,836.28 × 222,989.36
  4. Step 4: Simplify right side
    337,709.68x = 103,876,533,941.98
  5. Step 5: Solve for x
    x = 103,876,533,941.98/337,709.68
  6. Step 6: Final answer
    x = 307,591.22

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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.