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Finding the Fourth Proportional to 588.56, 812.18 and 367.63

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Solution

The fourth proportional to 588.56, 812.18 and 367.63 is: 507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.56 : 812.18 = 367.63 : x
  2. Step 2: Convert to fraction form
    588.56/812.18 = 367.63/x
  3. Step 3: Cross multiply
    588.56x = 812.18 × 367.63
  4. Step 4: Simplify right side
    588.56x = 298,580.62
  5. Step 5: Solve for x
    x = 298,580.62/588.56
  6. Step 6: Final answer
    x = 507.31

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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.