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Finding the Fourth Proportional to 592.91, 818.25 and 344.31

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Solution

The fourth proportional to 592.91, 818.25 and 344.31 is: 475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.91 : 818.25 = 344.31 : x
  2. Step 2: Convert to fraction form
    592.91/818.25 = 344.31/x
  3. Step 3: Cross multiply
    592.91x = 818.25 × 344.31
  4. Step 4: Simplify right side
    592.91x = 281,728.75
  5. Step 5: Solve for x
    x = 281,728.75/592.91
  6. Step 6: Final answer
    x = 475.16

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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.