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Finding the Fourth Proportional to 531,696.70, 733,687.59 and 327,714.94

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Solution

The fourth proportional to 531,696.70, 733,687.59 and 327,714.94 is: 452,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,696.70 : 733,687.59 = 327,714.94 : x
  2. Step 2: Convert to fraction form
    531,696.70/733,687.59 = 327,714.94/x
  3. Step 3: Cross multiply
    531,696.70x = 733,687.59 × 327,714.94
  4. Step 4: Simplify right side
    531,696.70x = 240,440,384,535.60
  5. Step 5: Solve for x
    x = 240,440,384,535.60/531,696.70
  6. Step 6: Final answer
    x = 452,213.42

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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.