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Finding the Fourth Proportional to 592.95, 818.33 and 330.99

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Solution

The fourth proportional to 592.95, 818.33 and 330.99 is: 456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.95 : 818.33 = 330.99 : x
  2. Step 2: Convert to fraction form
    592.95/818.33 = 330.99/x
  3. Step 3: Cross multiply
    592.95x = 818.33 × 330.99
  4. Step 4: Simplify right side
    592.95x = 270,859.05
  5. Step 5: Solve for x
    x = 270,859.05/592.95
  6. Step 6: Final answer
    x = 456.80

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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.