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Finding the Fourth Proportional to 629.37, 867.92 and 592.92

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Solution

The fourth proportional to 629.37, 867.92 and 592.92 is: 817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.37 : 867.92 = 592.92 : x
  2. Step 2: Convert to fraction form
    629.37/867.92 = 592.92/x
  3. Step 3: Cross multiply
    629.37x = 867.92 × 592.92
  4. Step 4: Simplify right side
    629.37x = 514,604.16
  5. Step 5: Solve for x
    x = 514,604.16/629.37
  6. Step 6: Final answer
    x = 817.65

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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.