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Finding the Fourth Proportional to 592.94, 818.30 and 330.98

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Solution

The fourth proportional to 592.94, 818.30 and 330.98 is: 456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.94 : 818.30 = 330.98 : x
  2. Step 2: Convert to fraction form
    592.94/818.30 = 330.98/x
  3. Step 3: Cross multiply
    592.94x = 818.30 × 330.98
  4. Step 4: Simplify right side
    592.94x = 270,840.93
  5. Step 5: Solve for x
    x = 270,840.93/592.94
  6. Step 6: Final answer
    x = 456.78

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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.