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Finding the Fourth Proportional to 493,108.55, 739,045.36 and 264,843.21

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Solution

The fourth proportional to 493,108.55, 739,045.36 and 264,843.21 is: 396,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,108.55 : 739,045.36 = 264,843.21 : x
  2. Step 2: Convert to fraction form
    493,108.55/739,045.36 = 264,843.21/x
  3. Step 3: Cross multiply
    493,108.55x = 739,045.36 × 264,843.21
  4. Step 4: Simplify right side
    493,108.55x = 195,731,148,580.48
  5. Step 5: Solve for x
    x = 195,731,148,580.48/493,108.55
  6. Step 6: Final answer
    x = 396,933.19

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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.