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Finding the Fourth Proportional to 471,525.88, 707,289.05 and 155,982.79

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Solution

The fourth proportional to 471,525.88, 707,289.05 and 155,982.79 is: 233,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,525.88 : 707,289.05 = 155,982.79 : x
  2. Step 2: Convert to fraction form
    471,525.88/707,289.05 = 155,982.79/x
  3. Step 3: Cross multiply
    471,525.88x = 707,289.05 × 155,982.79
  4. Step 4: Simplify right side
    471,525.88x = 110,324,915,039.09
  5. Step 5: Solve for x
    x = 110,324,915,039.09/471,525.88
  6. Step 6: Final answer
    x = 233,974.25

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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.