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Finding the Fourth Proportional to 531.34, 733.23 and 298.46

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Solution

The fourth proportional to 531.34, 733.23 and 298.46 is: 411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.34 : 733.23 = 298.46 : x
  2. Step 2: Convert to fraction form
    531.34/733.23 = 298.46/x
  3. Step 3: Cross multiply
    531.34x = 733.23 × 298.46
  4. Step 4: Simplify right side
    531.34x = 218,839.83
  5. Step 5: Solve for x
    x = 218,839.83/531.34
  6. Step 6: Final answer
    x = 411.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.