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Finding the Fourth Proportional to 392.64, 588.54 and 175.92

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Solution

The fourth proportional to 392.64, 588.54 and 175.92 is: 263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.64 : 588.54 = 175.92 : x
  2. Step 2: Convert to fraction form
    392.64/588.54 = 175.92/x
  3. Step 3: Cross multiply
    392.64x = 588.54 × 175.92
  4. Step 4: Simplify right side
    392.64x = 103,535.96
  5. Step 5: Solve for x
    x = 103,535.96/392.64
  6. Step 6: Final answer
    x = 263.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.