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Finding the Fourth Proportional to 403,548.66, 556,922.43 and 222,260.56

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Solution

The fourth proportional to 403,548.66, 556,922.43 and 222,260.56 is: 306,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,548.66 : 556,922.43 = 222,260.56 : x
  2. Step 2: Convert to fraction form
    403,548.66/556,922.43 = 222,260.56/x
  3. Step 3: Cross multiply
    403,548.66x = 556,922.43 × 222,260.56
  4. Step 4: Simplify right side
    403,548.66x = 123,781,889,776.06
  5. Step 5: Solve for x
    x = 123,781,889,776.06/403,548.66
  6. Step 6: Final answer
    x = 306,733.49

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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.