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Finding the Fourth Proportional to 531.97, 734.37 and 414.27

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Solution

The fourth proportional to 531.97, 734.37 and 414.27 is: 571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.97 : 734.37 = 414.27 : x
  2. Step 2: Convert to fraction form
    531.97/734.37 = 414.27/x
  3. Step 3: Cross multiply
    531.97x = 734.37 × 414.27
  4. Step 4: Simplify right side
    531.97x = 304,225.91
  5. Step 5: Solve for x
    x = 304,225.91/531.97
  6. Step 6: Final answer
    x = 571.89

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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.