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Finding the Fourth Proportional to 592.12, 811.73 and 581.68

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Solution

The fourth proportional to 592.12, 811.73 and 581.68 is: 797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.12 : 811.73 = 581.68 : x
  2. Step 2: Convert to fraction form
    592.12/811.73 = 581.68/x
  3. Step 3: Cross multiply
    592.12x = 811.73 × 581.68
  4. Step 4: Simplify right side
    592.12x = 472,167.11
  5. Step 5: Solve for x
    x = 472,167.11/592.12
  6. Step 6: Final answer
    x = 797.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.