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Finding the Fourth Proportional to 356,042.56, 533,694.78 and 222,616.44

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Solution

The fourth proportional to 356,042.56, 533,694.78 and 222,616.44 is: 333,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,042.56 : 533,694.78 = 222,616.44 : x
  2. Step 2: Convert to fraction form
    356,042.56/533,694.78 = 222,616.44/x
  3. Step 3: Cross multiply
    356,042.56x = 533,694.78 × 222,616.44
  4. Step 4: Simplify right side
    356,042.56x = 118,809,231,970.18
  5. Step 5: Solve for x
    x = 118,809,231,970.18/356,042.56
  6. Step 6: Final answer
    x = 333,693.90

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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.