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Finding the Fourth Proportional to 323,754.30, 446,270.31 and 243,065.34

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Solution

The fourth proportional to 323,754.30, 446,270.31 and 243,065.34 is: 335,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,754.30 : 446,270.31 = 243,065.34 : x
  2. Step 2: Convert to fraction form
    323,754.30/446,270.31 = 243,065.34/x
  3. Step 3: Cross multiply
    323,754.30x = 446,270.31 × 243,065.34
  4. Step 4: Simplify right side
    323,754.30x = 108,472,844,632.06
  5. Step 5: Solve for x
    x = 108,472,844,632.06/323,754.30
  6. Step 6: Final answer
    x = 335,046.81

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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.