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Finding the Fourth Proportional to 492,987.92, 739,481.91 and 160,563.92

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Solution

The fourth proportional to 492,987.92, 739,481.91 and 160,563.92 is: 240,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,987.92 : 739,481.91 = 160,563.92 : x
  2. Step 2: Convert to fraction form
    492,987.92/739,481.91 = 160,563.92/x
  3. Step 3: Cross multiply
    492,987.92x = 739,481.91 × 160,563.92
  4. Step 4: Simplify right side
    492,987.92x = 118,734,114,238.69
  5. Step 5: Solve for x
    x = 118,734,114,238.69/492,987.92
  6. Step 6: Final answer
    x = 240,845.89

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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.