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Finding the Fourth Proportional to 533,374.80, 798,093.90 and 486,135.60

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Solution

The fourth proportional to 533,374.80, 798,093.90 and 486,135.60 is: 727,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,374.80 : 798,093.90 = 486,135.60 : x
  2. Step 2: Convert to fraction form
    533,374.80/798,093.90 = 486,135.60/x
  3. Step 3: Cross multiply
    533,374.80x = 798,093.90 × 486,135.60
  4. Step 4: Simplify right side
    533,374.80x = 387,981,856,932.84
  5. Step 5: Solve for x
    x = 387,981,856,932.84/533,374.80
  6. Step 6: Final answer
    x = 727,409.43

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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.