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Finding the Fourth Proportional to 592.95, 818.28 and 327.40

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Solution

The fourth proportional to 592.95, 818.28 and 327.40 is: 451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.95 : 818.28 = 327.40 : x
  2. Step 2: Convert to fraction form
    592.95/818.28 = 327.40/x
  3. Step 3: Cross multiply
    592.95x = 818.28 × 327.40
  4. Step 4: Simplify right side
    592.95x = 267,904.87
  5. Step 5: Solve for x
    x = 267,904.87/592.95
  6. Step 6: Final answer
    x = 451.82

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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.