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Finding the Fourth Proportional to 471,525.39, 707,288.31 and 155,982.29

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Solution

The fourth proportional to 471,525.39, 707,288.31 and 155,982.29 is: 233,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,525.39 : 707,288.31 = 155,982.29 : x
  2. Step 2: Convert to fraction form
    471,525.39/707,288.31 = 155,982.29/x
  3. Step 3: Cross multiply
    471,525.39x = 707,288.31 × 155,982.29
  4. Step 4: Simplify right side
    471,525.39x = 110,324,452,201.84
  5. Step 5: Solve for x
    x = 110,324,452,201.84/471,525.39
  6. Step 6: Final answer
    x = 233,973.52

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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.