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Finding the Fourth Proportional to 538,033.60, 806,985.60 and 222,457.60

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Solution

The fourth proportional to 538,033.60, 806,985.60 and 222,457.60 is: 333,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,033.60 : 806,985.60 = 222,457.60 : x
  2. Step 2: Convert to fraction form
    538,033.60/806,985.60 = 222,457.60/x
  3. Step 3: Cross multiply
    538,033.60x = 806,985.60 × 222,457.60
  4. Step 4: Simplify right side
    538,033.60x = 179,520,079,810.56
  5. Step 5: Solve for x
    x = 179,520,079,810.56/538,033.60
  6. Step 6: Final answer
    x = 333,659.61

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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.