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Finding the Fourth Proportional to 403,548.68, 556,922.45 and 222,260.57

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Solution

The fourth proportional to 403,548.68, 556,922.45 and 222,260.57 is: 306,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,548.68 : 556,922.45 = 222,260.57 : x
  2. Step 2: Convert to fraction form
    403,548.68/556,922.45 = 222,260.57/x
  3. Step 3: Cross multiply
    403,548.68x = 556,922.45 × 222,260.57
  4. Step 4: Simplify right side
    403,548.68x = 123,781,897,286.88
  5. Step 5: Solve for x
    x = 123,781,897,286.88/403,548.68
  6. Step 6: Final answer
    x = 306,733.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.