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Finding the Fourth Proportional to 481,407.68, 722,180.72 and 165,779.84

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Solution

The fourth proportional to 481,407.68, 722,180.72 and 165,779.84 is: 248,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,407.68 : 722,180.72 = 165,779.84 : x
  2. Step 2: Convert to fraction form
    481,407.68/722,180.72 = 165,779.84/x
  3. Step 3: Cross multiply
    481,407.68x = 722,180.72 × 165,779.84
  4. Step 4: Simplify right side
    481,407.68x = 119,723,004,212.69
  5. Step 5: Solve for x
    x = 119,723,004,212.69/481,407.68
  6. Step 6: Final answer
    x = 248,693.59

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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.