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Finding the Fourth Proportional to 531.48, 795.96 and 338.52

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Solution

The fourth proportional to 531.48, 795.96 and 338.52 is: 506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.48 : 795.96 = 338.52 : x
  2. Step 2: Convert to fraction form
    531.48/795.96 = 338.52/x
  3. Step 3: Cross multiply
    531.48x = 795.96 × 338.52
  4. Step 4: Simplify right side
    531.48x = 269,448.38
  5. Step 5: Solve for x
    x = 269,448.38/531.48
  6. Step 6: Final answer
    x = 506.98

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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.