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Finding the Fourth Proportional to 499,759.43, 749,638.54 and 162,799.54

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Solution

The fourth proportional to 499,759.43, 749,638.54 and 162,799.54 is: 244,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,759.43 : 749,638.54 = 162,799.54 : x
  2. Step 2: Convert to fraction form
    499,759.43/749,638.54 = 162,799.54/x
  3. Step 3: Cross multiply
    499,759.43x = 749,638.54 × 162,799.54
  4. Step 4: Simplify right side
    499,759.43x = 122,040,809,478.27
  5. Step 5: Solve for x
    x = 122,040,809,478.27/499,759.43
  6. Step 6: Final answer
    x = 244,199.11

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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.