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Finding the Fourth Proportional to 592.39, 817.56 and 359.65

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Solution

The fourth proportional to 592.39, 817.56 and 359.65 is: 496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.39 : 817.56 = 359.65 : x
  2. Step 2: Convert to fraction form
    592.39/817.56 = 359.65/x
  3. Step 3: Cross multiply
    592.39x = 817.56 × 359.65
  4. Step 4: Simplify right side
    592.39x = 294,035.45
  5. Step 5: Solve for x
    x = 294,035.45/592.39
  6. Step 6: Final answer
    x = 496.35

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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.