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Finding the Fourth Proportional to 451,952.64, 624,519.92 and 329,231.44

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Solution

The fourth proportional to 451,952.64, 624,519.92 and 329,231.44 is: 454,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,952.64 : 624,519.92 = 329,231.44 : x
  2. Step 2: Convert to fraction form
    451,952.64/624,519.92 = 329,231.44/x
  3. Step 3: Cross multiply
    451,952.64x = 624,519.92 × 329,231.44
  4. Step 4: Simplify right side
    451,952.64x = 205,611,592,570.29
  5. Step 5: Solve for x
    x = 205,611,592,570.29/451,952.64
  6. Step 6: Final answer
    x = 454,940.57

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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.