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Finding the Fourth Proportional to 534,793.28, 737,944.44 and 319,854.96

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Solution

The fourth proportional to 534,793.28, 737,944.44 and 319,854.96 is: 441,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,793.28 : 737,944.44 = 319,854.96 : x
  2. Step 2: Convert to fraction form
    534,793.28/737,944.44 = 319,854.96/x
  3. Step 3: Cross multiply
    534,793.28x = 737,944.44 × 319,854.96
  4. Step 4: Simplify right side
    534,793.28x = 236,035,189,338.42
  5. Step 5: Solve for x
    x = 236,035,189,338.42/534,793.28
  6. Step 6: Final answer
    x = 441,357.81

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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.