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Finding the Fourth Proportional to 593,240.36, 889,991.76 and 326,863.76

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Solution

The fourth proportional to 593,240.36, 889,991.76 and 326,863.76 is: 490,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,240.36 : 889,991.76 = 326,863.76 : x
  2. Step 2: Convert to fraction form
    593,240.36/889,991.76 = 326,863.76/x
  3. Step 3: Cross multiply
    593,240.36x = 889,991.76 × 326,863.76
  4. Step 4: Simplify right side
    593,240.36x = 290,906,053,042.62
  5. Step 5: Solve for x
    x = 290,906,053,042.62/593,240.36
  6. Step 6: Final answer
    x = 490,367.94

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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.