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Finding the Fourth Proportional to 592.39, 817.56 and 371.35

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Solution

The fourth proportional to 592.39, 817.56 and 371.35 is: 512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.39 : 817.56 = 371.35 : x
  2. Step 2: Convert to fraction form
    592.39/817.56 = 371.35/x
  3. Step 3: Cross multiply
    592.39x = 817.56 × 371.35
  4. Step 4: Simplify right side
    592.39x = 303,600.91
  5. Step 5: Solve for x
    x = 303,600.91/592.39
  6. Step 6: Final answer
    x = 512.50

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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.