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Finding the Fourth Proportional to 603,111.87, 832,308.84 and 327,481.34

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Solution

The fourth proportional to 603,111.87, 832,308.84 and 327,481.34 is: 451,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,111.87 : 832,308.84 = 327,481.34 : x
  2. Step 2: Convert to fraction form
    603,111.87/832,308.84 = 327,481.34/x
  3. Step 3: Cross multiply
    603,111.87x = 832,308.84 × 327,481.34
  4. Step 4: Simplify right side
    603,111.87x = 272,565,614,217.05
  5. Step 5: Solve for x
    x = 272,565,614,217.05/603,111.87
  6. Step 6: Final answer
    x = 451,932.10

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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.