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Finding the Fourth Proportional to 592.68, 818.18 and 343.95

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Solution

The fourth proportional to 592.68, 818.18 and 343.95 is: 474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.68 : 818.18 = 343.95 : x
  2. Step 2: Convert to fraction form
    592.68/818.18 = 343.95/x
  3. Step 3: Cross multiply
    592.68x = 818.18 × 343.95
  4. Step 4: Simplify right side
    592.68x = 281,413.72
  5. Step 5: Solve for x
    x = 281,413.72/592.68
  6. Step 6: Final answer
    x = 474.81

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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.