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Finding the Fourth Proportional to 531.94, 733.72 and 324.94

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Solution

The fourth proportional to 531.94, 733.72 and 324.94 is: 448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.94 : 733.72 = 324.94 : x
  2. Step 2: Convert to fraction form
    531.94/733.72 = 324.94/x
  3. Step 3: Cross multiply
    531.94x = 733.72 × 324.94
  4. Step 4: Simplify right side
    531.94x = 238,414.98
  5. Step 5: Solve for x
    x = 238,414.98/531.94
  6. Step 6: Final answer
    x = 448.20

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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.