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Finding the Fourth Proportional to 592.52, 817.73 and 330.55

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Solution

The fourth proportional to 592.52, 817.73 and 330.55 is: 456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.52 : 817.73 = 330.55 : x
  2. Step 2: Convert to fraction form
    592.52/817.73 = 330.55/x
  3. Step 3: Cross multiply
    592.52x = 817.73 × 330.55
  4. Step 4: Simplify right side
    592.52x = 270,298.19
  5. Step 5: Solve for x
    x = 270,298.19/592.52
  6. Step 6: Final answer
    x = 456.19

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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.