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Finding the Fourth Proportional to 491,932.37, 737,898.69 and 379,776.31

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Solution

The fourth proportional to 491,932.37, 737,898.69 and 379,776.31 is: 569,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,932.37 : 737,898.69 = 379,776.31 : x
  2. Step 2: Convert to fraction form
    491,932.37/737,898.69 = 379,776.31/x
  3. Step 3: Cross multiply
    491,932.37x = 737,898.69 × 379,776.31
  4. Step 4: Simplify right side
    491,932.37x = 280,236,441,642.03
  5. Step 5: Solve for x
    x = 280,236,441,642.03/491,932.37
  6. Step 6: Final answer
    x = 569,664.57

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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.