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Finding the Fourth Proportional to 324,418.76, 447,693.46 and 181,181.32

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Solution

The fourth proportional to 324,418.76, 447,693.46 and 181,181.32 is: 250,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,418.76 : 447,693.46 = 181,181.32 : x
  2. Step 2: Convert to fraction form
    324,418.76/447,693.46 = 181,181.32/x
  3. Step 3: Cross multiply
    324,418.76x = 447,693.46 × 181,181.32
  4. Step 4: Simplify right side
    324,418.76x = 81,113,692,038.17
  5. Step 5: Solve for x
    x = 81,113,692,038.17/324,418.76
  6. Step 6: Final answer
    x = 250,027.75

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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.