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Finding the Fourth Proportional to 403,597.54, 556,968.45 and 222,310.27

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Solution

The fourth proportional to 403,597.54, 556,968.45 and 222,310.27 is: 306,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,597.54 : 556,968.45 = 222,310.27 : x
  2. Step 2: Convert to fraction form
    403,597.54/556,968.45 = 222,310.27/x
  3. Step 3: Cross multiply
    403,597.54x = 556,968.45 × 222,310.27
  4. Step 4: Simplify right side
    403,597.54x = 123,819,806,500.98
  5. Step 5: Solve for x
    x = 123,819,806,500.98/403,597.54
  6. Step 6: Final answer
    x = 306,790.29

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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.