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Finding the Fourth Proportional to 593,797.18, 819,418.15 and 321,859.23

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Solution

The fourth proportional to 593,797.18, 819,418.15 and 321,859.23 is: 444,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,797.18 : 819,418.15 = 321,859.23 : x
  2. Step 2: Convert to fraction form
    593,797.18/819,418.15 = 321,859.23/x
  3. Step 3: Cross multiply
    593,797.18x = 819,418.15 × 321,859.23
  4. Step 4: Simplify right side
    593,797.18x = 263,737,293,197.73
  5. Step 5: Solve for x
    x = 263,737,293,197.73/593,797.18
  6. Step 6: Final answer
    x = 444,153.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.