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Finding the Fourth Proportional to 481,477.20, 721,773.52 and 165,859.08

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Solution

The fourth proportional to 481,477.20, 721,773.52 and 165,859.08 is: 248,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,477.20 : 721,773.52 = 165,859.08 : x
  2. Step 2: Convert to fraction form
    481,477.20/721,773.52 = 165,859.08/x
  3. Step 3: Cross multiply
    481,477.20x = 721,773.52 × 165,859.08
  4. Step 4: Simplify right side
    481,477.20x = 119,712,691,995.56
  5. Step 5: Solve for x
    x = 119,712,691,995.56/481,477.20
  6. Step 6: Final answer
    x = 248,636.26

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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.