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Finding the Fourth Proportional to 896,873.92, 1,345,272 and 222,940.96

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Solution

The fourth proportional to 896,873.92, 1,345,272 and 222,940.96 is: 334,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,873.92 : 1,345,272 = 222,940.96 : x
  2. Step 2: Convert to fraction form
    896,873.92/1,345,272 = 222,940.96/x
  3. Step 3: Cross multiply
    896,873.92x = 1,345,272 × 222,940.96
  4. Step 4: Simplify right side
    896,873.92x = 299,916,231,141.12
  5. Step 5: Solve for x
    x = 299,916,231,141.12/896,873.92
  6. Step 6: Final answer
    x = 334,401.78

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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.