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Finding the Fourth Proportional to 403,350.49, 556,602.55 and 222,027

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Solution

The fourth proportional to 403,350.49, 556,602.55 and 222,027 is: 306,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350.49 : 556,602.55 = 222,027 : x
  2. Step 2: Convert to fraction form
    403,350.49/556,602.55 = 222,027/x
  3. Step 3: Cross multiply
    403,350.49x = 556,602.55 × 222,027
  4. Step 4: Simplify right side
    403,350.49x = 123,580,793,813.78
  5. Step 5: Solve for x
    x = 123,580,793,813.78/403,350.49
  6. Step 6: Final answer
    x = 306,385.63

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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.