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Finding the Fourth Proportional to 531,453.66, 733,425.75 and 327,463.26

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Solution

The fourth proportional to 531,453.66, 733,425.75 and 327,463.26 is: 451,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,453.66 : 733,425.75 = 327,463.26 : x
  2. Step 2: Convert to fraction form
    531,453.66/733,425.75 = 327,463.26/x
  3. Step 3: Cross multiply
    531,453.66x = 733,425.75 × 327,463.26
  4. Step 4: Simplify right side
    531,453.66x = 240,169,987,062.95
  5. Step 5: Solve for x
    x = 240,169,987,062.95/531,453.66
  6. Step 6: Final answer
    x = 451,911.44

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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.