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Finding the Fourth Proportional to 483,779.72, 725,735.28 and 168,195.80

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Solution

The fourth proportional to 483,779.72, 725,735.28 and 168,195.80 is: 252,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,779.72 : 725,735.28 = 168,195.80 : x
  2. Step 2: Convert to fraction form
    483,779.72/725,735.28 = 168,195.80/x
  3. Step 3: Cross multiply
    483,779.72x = 725,735.28 × 168,195.80
  4. Step 4: Simplify right side
    483,779.72x = 122,065,626,007.82
  5. Step 5: Solve for x
    x = 122,065,626,007.82/483,779.72
  6. Step 6: Final answer
    x = 252,316.54

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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.