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Finding the Fourth Proportional to 531,326.64, 796,596.30 and 320,915.37

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Solution

The fourth proportional to 531,326.64, 796,596.30 and 320,915.37 is: 481,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,326.64 : 796,596.30 = 320,915.37 : x
  2. Step 2: Convert to fraction form
    531,326.64/796,596.30 = 320,915.37/x
  3. Step 3: Cross multiply
    531,326.64x = 796,596.30 × 320,915.37
  4. Step 4: Simplify right side
    531,326.64x = 255,639,993,958.94
  5. Step 5: Solve for x
    x = 255,639,993,958.94/531,326.64
  6. Step 6: Final answer
    x = 481,135.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.