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Finding the Fourth Proportional to 531.48, 733.46 and 295.44

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Solution

The fourth proportional to 531.48, 733.46 and 295.44 is: 407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.48 : 733.46 = 295.44 : x
  2. Step 2: Convert to fraction form
    531.48/733.46 = 295.44/x
  3. Step 3: Cross multiply
    531.48x = 733.46 × 295.44
  4. Step 4: Simplify right side
    531.48x = 216,688.28
  5. Step 5: Solve for x
    x = 216,688.28/531.48
  6. Step 6: Final answer
    x = 407.71

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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.