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Finding the Fourth Proportional to 592.66, 817.84 and 330.66

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Solution

The fourth proportional to 592.66, 817.84 and 330.66 is: 456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.66 : 817.84 = 330.66 : x
  2. Step 2: Convert to fraction form
    592.66/817.84 = 330.66/x
  3. Step 3: Cross multiply
    592.66x = 817.84 × 330.66
  4. Step 4: Simplify right side
    592.66x = 270,426.97
  5. Step 5: Solve for x
    x = 270,426.97/592.66
  6. Step 6: Final answer
    x = 456.29

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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.