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Finding the Fourth Proportional to 491,933.37, 737,900.19 and 379,777.31

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Solution

The fourth proportional to 491,933.37, 737,900.19 and 379,777.31 is: 569,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,933.37 : 737,900.19 = 379,777.31 : x
  2. Step 2: Convert to fraction form
    491,933.37/737,900.19 = 379,777.31/x
  3. Step 3: Cross multiply
    491,933.37x = 737,900.19 × 379,777.31
  4. Step 4: Simplify right side
    491,933.37x = 280,237,749,206.69
  5. Step 5: Solve for x
    x = 280,237,749,206.69/491,933.37
  6. Step 6: Final answer
    x = 569,666.07

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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.