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Finding the Fourth Proportional to 496,439.36, 739,043.86 and 493,486.88

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Solution

The fourth proportional to 496,439.36, 739,043.86 and 493,486.88 is: 734,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,439.36 : 739,043.86 = 493,486.88 : x
  2. Step 2: Convert to fraction form
    496,439.36/739,043.86 = 493,486.88/x
  3. Step 3: Cross multiply
    496,439.36x = 739,043.86 × 493,486.88
  4. Step 4: Simplify right side
    496,439.36x = 364,708,448,654.56
  5. Step 5: Solve for x
    x = 364,708,448,654.56/496,439.36
  6. Step 6: Final answer
    x = 734,648.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.