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Finding the Fourth Proportional to 481,763.20, 721,894.20 and 182,080.30

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Solution

The fourth proportional to 481,763.20, 721,894.20 and 182,080.30 is: 272,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,763.20 : 721,894.20 = 182,080.30 : x
  2. Step 2: Convert to fraction form
    481,763.20/721,894.20 = 182,080.30/x
  3. Step 3: Cross multiply
    481,763.20x = 721,894.20 × 182,080.30
  4. Step 4: Simplify right side
    481,763.20x = 131,442,712,504.26
  5. Step 5: Solve for x
    x = 131,442,712,504.26/481,763.20
  6. Step 6: Final answer
    x = 272,836.76

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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.