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Finding the Fourth Proportional to 588.67, 812.40 and 336.62

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Solution

The fourth proportional to 588.67, 812.40 and 336.62 is: 464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.67 : 812.40 = 336.62 : x
  2. Step 2: Convert to fraction form
    588.67/812.40 = 336.62/x
  3. Step 3: Cross multiply
    588.67x = 812.40 × 336.62
  4. Step 4: Simplify right side
    588.67x = 273,470.86
  5. Step 5: Solve for x
    x = 273,470.86/588.67
  6. Step 6: Final answer
    x = 464.56

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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.