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Finding the Fourth Proportional to 531.56, 733.89 and 332.47

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Solution

The fourth proportional to 531.56, 733.89 and 332.47 is: 459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.56 : 733.89 = 332.47 : x
  2. Step 2: Convert to fraction form
    531.56/733.89 = 332.47/x
  3. Step 3: Cross multiply
    531.56x = 733.89 × 332.47
  4. Step 4: Simplify right side
    531.56x = 243,998.57
  5. Step 5: Solve for x
    x = 243,998.57/531.56
  6. Step 6: Final answer
    x = 459.02

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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.