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Finding the Fourth Proportional to 592.13, 817.08 and 382.55

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Solution

The fourth proportional to 592.13, 817.08 and 382.55 is: 527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.13 : 817.08 = 382.55 : x
  2. Step 2: Convert to fraction form
    592.13/817.08 = 382.55/x
  3. Step 3: Cross multiply
    592.13x = 817.08 × 382.55
  4. Step 4: Simplify right side
    592.13x = 312,569.87
  5. Step 5: Solve for x
    x = 312,569.87/592.13
  6. Step 6: Final answer
    x = 527.88

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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.