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Finding the Fourth Proportional to 593,340.60, 818,813.92 and 321,408.48

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Solution

The fourth proportional to 593,340.60, 818,813.92 and 321,408.48 is: 443,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,340.60 : 818,813.92 = 321,408.48 : x
  2. Step 2: Convert to fraction form
    593,340.60/818,813.92 = 321,408.48/x
  3. Step 3: Cross multiply
    593,340.60x = 818,813.92 × 321,408.48
  4. Step 4: Simplify right side
    593,340.60x = 263,173,737,430.04
  5. Step 5: Solve for x
    x = 263,173,737,430.04/593,340.60
  6. Step 6: Final answer
    x = 443,545.81

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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.