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Finding the Fourth Proportional to 531.33, 733.61 and 332.25

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Solution

The fourth proportional to 531.33, 733.61 and 332.25 is: 458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.33 : 733.61 = 332.25 : x
  2. Step 2: Convert to fraction form
    531.33/733.61 = 332.25/x
  3. Step 3: Cross multiply
    531.33x = 733.61 × 332.25
  4. Step 4: Simplify right side
    531.33x = 243,742.26
  5. Step 5: Solve for x
    x = 243,742.26/531.33
  6. Step 6: Final answer
    x = 458.74

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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.