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Finding the Fourth Proportional to 324,080.04, 447,318.82 and 188,156.56

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Solution

The fourth proportional to 324,080.04, 447,318.82 and 188,156.56 is: 259,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,080.04 : 447,318.82 = 188,156.56 : x
  2. Step 2: Convert to fraction form
    324,080.04/447,318.82 = 188,156.56/x
  3. Step 3: Cross multiply
    324,080.04x = 447,318.82 × 188,156.56
  4. Step 4: Simplify right side
    324,080.04x = 84,165,970,394.46
  5. Step 5: Solve for x
    x = 84,165,970,394.46/324,080.04
  6. Step 6: Final answer
    x = 259,707.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.