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Finding the Fourth Proportional to 531.42, 796.60 and 223.48

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Solution

The fourth proportional to 531.42, 796.60 and 223.48 is: 335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.42 : 796.60 = 223.48 : x
  2. Step 2: Convert to fraction form
    531.42/796.60 = 223.48/x
  3. Step 3: Cross multiply
    531.42x = 796.60 × 223.48
  4. Step 4: Simplify right side
    531.42x = 178,024.17
  5. Step 5: Solve for x
    x = 178,024.17/531.42
  6. Step 6: Final answer
    x = 335.00

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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.