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Finding the Fourth Proportional to 401,573.84, 554,183.88 and 222,722

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Solution

The fourth proportional to 401,573.84, 554,183.88 and 222,722 is: 307,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,573.84 : 554,183.88 = 222,722 : x
  2. Step 2: Convert to fraction form
    401,573.84/554,183.88 = 222,722/x
  3. Step 3: Cross multiply
    401,573.84x = 554,183.88 × 222,722
  4. Step 4: Simplify right side
    401,573.84x = 123,428,942,121.36
  5. Step 5: Solve for x
    x = 123,428,942,121.36/401,573.84
  6. Step 6: Final answer
    x = 307,363.00

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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.