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Finding the Fourth Proportional to 559,302.30, 839,062.80 and 222,285.60

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Solution

The fourth proportional to 559,302.30, 839,062.80 and 222,285.60 is: 333,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,302.30 : 839,062.80 = 222,285.60 : x
  2. Step 2: Convert to fraction form
    559,302.30/839,062.80 = 222,285.60/x
  3. Step 3: Cross multiply
    559,302.30x = 839,062.80 × 222,285.60
  4. Step 4: Simplify right side
    559,302.30x = 186,511,577,935.68
  5. Step 5: Solve for x
    x = 186,511,577,935.68/559,302.30
  6. Step 6: Final answer
    x = 333,471.86

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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.