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Finding the Fourth Proportional to 592.17, 817.16 and 326.60

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Solution

The fourth proportional to 592.17, 817.16 and 326.60 is: 450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.17 : 817.16 = 326.60 : x
  2. Step 2: Convert to fraction form
    592.17/817.16 = 326.60/x
  3. Step 3: Cross multiply
    592.17x = 817.16 × 326.60
  4. Step 4: Simplify right side
    592.17x = 266,887.32
  5. Step 5: Solve for x
    x = 266,887.32/592.17
  6. Step 6: Final answer
    x = 450.69

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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.