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Finding the Fourth Proportional to 531.48, 797.38 and 337.68

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Solution

The fourth proportional to 531.48, 797.38 and 337.68 is: 506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.48 : 797.38 = 337.68 : x
  2. Step 2: Convert to fraction form
    531.48/797.38 = 337.68/x
  3. Step 3: Cross multiply
    531.48x = 797.38 × 337.68
  4. Step 4: Simplify right side
    531.48x = 269,259.28
  5. Step 5: Solve for x
    x = 269,259.28/531.48
  6. Step 6: Final answer
    x = 506.62

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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.