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Finding the Fourth Proportional to 395,330.88, 593,135.52 and 262,737.60

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Solution

The fourth proportional to 395,330.88, 593,135.52 and 262,737.60 is: 394,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,330.88 : 593,135.52 = 262,737.60 : x
  2. Step 2: Convert to fraction form
    395,330.88/593,135.52 = 262,737.60/x
  3. Step 3: Cross multiply
    395,330.88x = 593,135.52 × 262,737.60
  4. Step 4: Simplify right side
    395,330.88x = 155,839,002,999.55
  5. Step 5: Solve for x
    x = 155,839,002,999.55/395,330.88
  6. Step 6: Final answer
    x = 394,198.91

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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.