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Finding the Fourth Proportional to 531.54, 733.01 and 472.68

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Solution

The fourth proportional to 531.54, 733.01 and 472.68 is: 651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.54 : 733.01 = 472.68 : x
  2. Step 2: Convert to fraction form
    531.54/733.01 = 472.68/x
  3. Step 3: Cross multiply
    531.54x = 733.01 × 472.68
  4. Step 4: Simplify right side
    531.54x = 346,476.80
  5. Step 5: Solve for x
    x = 346,476.80/531.54
  6. Step 6: Final answer
    x = 651.84

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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.