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Finding the Fourth Proportional to 538,099.76, 806,668.44 and 222,355.28

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Solution

The fourth proportional to 538,099.76, 806,668.44 and 222,355.28 is: 333,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,099.76 : 806,668.44 = 222,355.28 : x
  2. Step 2: Convert to fraction form
    538,099.76/806,668.44 = 222,355.28/x
  3. Step 3: Cross multiply
    538,099.76x = 806,668.44 × 222,355.28
  4. Step 4: Simplify right side
    538,099.76x = 179,366,986,843.36
  5. Step 5: Solve for x
    x = 179,366,986,843.36/538,099.76
  6. Step 6: Final answer
    x = 333,334.08

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1.5x scale

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.