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Finding the Fourth Proportional to 559,560.80, 839,472.16 and 222,620.52

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Solution

The fourth proportional to 559,560.80, 839,472.16 and 222,620.52 is: 333,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,560.80 : 839,472.16 = 222,620.52 : x
  2. Step 2: Convert to fraction form
    559,560.80/839,472.16 = 222,620.52/x
  3. Step 3: Cross multiply
    559,560.80x = 839,472.16 × 222,620.52
  4. Step 4: Simplify right side
    559,560.80x = 186,883,728,784.72
  5. Step 5: Solve for x
    x = 186,883,728,784.72/559,560.80
  6. Step 6: Final answer
    x = 333,982.88

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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.