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Finding the Fourth Proportional to 593,879.12, 889,768.92 and 393,724.88

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Solution

The fourth proportional to 593,879.12, 889,768.92 and 393,724.88 is: 589,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,879.12 : 889,768.92 = 393,724.88 : x
  2. Step 2: Convert to fraction form
    593,879.12/889,768.92 = 393,724.88/x
  3. Step 3: Cross multiply
    593,879.12x = 889,768.92 × 393,724.88
  4. Step 4: Simplify right side
    593,879.12x = 350,324,161,254.73
  5. Step 5: Solve for x
    x = 350,324,161,254.73/593,879.12
  6. Step 6: Final answer
    x = 589,891.36

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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.