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Finding the Fourth Proportional to 325,581.83, 488,539.44 and 154,996.61

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Solution

The fourth proportional to 325,581.83, 488,539.44 and 154,996.61 is: 232,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,581.83 : 488,539.44 = 154,996.61 : x
  2. Step 2: Convert to fraction form
    325,581.83/488,539.44 = 154,996.61/x
  3. Step 3: Cross multiply
    325,581.83x = 488,539.44 × 154,996.61
  4. Step 4: Simplify right side
    325,581.83x = 75,721,957,051.30
  5. Step 5: Solve for x
    x = 75,721,957,051.30/325,581.83
  6. Step 6: Final answer
    x = 232,574.27

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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.