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Finding the Fourth Proportional to 538,153.25, 807,329.07 and 222,634.76

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Solution

The fourth proportional to 538,153.25, 807,329.07 and 222,634.76 is: 333,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,153.25 : 807,329.07 = 222,634.76 : x
  2. Step 2: Convert to fraction form
    538,153.25/807,329.07 = 222,634.76/x
  3. Step 3: Cross multiply
    538,153.25x = 807,329.07 × 222,634.76
  4. Step 4: Simplify right side
    538,153.25x = 179,739,512,627.30
  5. Step 5: Solve for x
    x = 179,739,512,627.30/538,153.25
  6. Step 6: Final answer
    x = 333,993.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.