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Finding the Fourth Proportional to 531.70, 796.80 and 336.22

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Solution

The fourth proportional to 531.70, 796.80 and 336.22 is: 503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.70 : 796.80 = 336.22 : x
  2. Step 2: Convert to fraction form
    531.70/796.80 = 336.22/x
  3. Step 3: Cross multiply
    531.70x = 796.80 × 336.22
  4. Step 4: Simplify right side
    531.70x = 267,900.10
  5. Step 5: Solve for x
    x = 267,900.10/531.70
  6. Step 6: Final answer
    x = 503.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.