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Finding the Fourth Proportional to 593,227.94, 818,650.44 and 321,289.59

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Solution

The fourth proportional to 593,227.94, 818,650.44 and 321,289.59 is: 443,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,227.94 : 818,650.44 = 321,289.59 : x
  2. Step 2: Convert to fraction form
    593,227.94/818,650.44 = 321,289.59/x
  3. Step 3: Cross multiply
    593,227.94x = 818,650.44 × 321,289.59
  4. Step 4: Simplify right side
    593,227.94x = 263,023,864,220.92
  5. Step 5: Solve for x
    x = 263,023,864,220.92/593,227.94
  6. Step 6: Final answer
    x = 443,377.41

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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.