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Finding the Fourth Proportional to 392.33, 588.55 and 175.91

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Solution

The fourth proportional to 392.33, 588.55 and 175.91 is: 263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.33 : 588.55 = 175.91 : x
  2. Step 2: Convert to fraction form
    392.33/588.55 = 175.91/x
  3. Step 3: Cross multiply
    392.33x = 588.55 × 175.91
  4. Step 4: Simplify right side
    392.33x = 103,528.45
  5. Step 5: Solve for x
    x = 103,528.45/392.33
  6. Step 6: Final answer
    x = 263.88

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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.