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Finding the Fourth Proportional to 324,240.91, 447,460.00 and 203,387.29

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Solution

The fourth proportional to 324,240.91, 447,460.00 and 203,387.29 is: 280,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,240.91 : 447,460.00 = 203,387.29 : x
  2. Step 2: Convert to fraction form
    324,240.91/447,460.00 = 203,387.29/x
  3. Step 3: Cross multiply
    324,240.91x = 447,460.00 × 203,387.29
  4. Step 4: Simplify right side
    324,240.91x = 91,007,675,156.28
  5. Step 5: Solve for x
    x = 91,007,675,156.28/324,240.91
  6. Step 6: Final answer
    x = 280,679.19

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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.