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Finding the Fourth Proportional to 592.91, 818.03 and 344.21

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Solution

The fourth proportional to 592.91, 818.03 and 344.21 is: 474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.91 : 818.03 = 344.21 : x
  2. Step 2: Convert to fraction form
    592.91/818.03 = 344.21/x
  3. Step 3: Cross multiply
    592.91x = 818.03 × 344.21
  4. Step 4: Simplify right side
    592.91x = 281,577.01
  5. Step 5: Solve for x
    x = 281,577.01/592.91
  6. Step 6: Final answer
    x = 474.90

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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.