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Finding the Fourth Proportional to 332,411.31, 458,726.90 and 181,508.31

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Solution

The fourth proportional to 332,411.31, 458,726.90 and 181,508.31 is: 250,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,411.31 : 458,726.90 = 181,508.31 : x
  2. Step 2: Convert to fraction form
    332,411.31/458,726.90 = 181,508.31/x
  3. Step 3: Cross multiply
    332,411.31x = 458,726.90 × 181,508.31
  4. Step 4: Simplify right side
    332,411.31x = 83,262,743,463.00
  5. Step 5: Solve for x
    x = 83,262,743,463.00/332,411.31
  6. Step 6: Final answer
    x = 250,481.08

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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.