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Finding the Fourth Proportional to 603,108.87, 832,304.70 and 327,478.34

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Solution

The fourth proportional to 603,108.87, 832,304.70 and 327,478.34 is: 451,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,108.87 : 832,304.70 = 327,478.34 : x
  2. Step 2: Convert to fraction form
    603,108.87/832,304.70 = 327,478.34/x
  3. Step 3: Cross multiply
    603,108.87x = 832,304.70 × 327,478.34
  4. Step 4: Simplify right side
    603,108.87x = 272,561,760,910.92
  5. Step 5: Solve for x
    x = 272,561,760,910.92/603,108.87
  6. Step 6: Final answer
    x = 451,927.96

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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.