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Finding the Fourth Proportional to 392.46, 588.89 and 175.99

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Solution

The fourth proportional to 392.46, 588.89 and 175.99 is: 264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.46 : 588.89 = 175.99 : x
  2. Step 2: Convert to fraction form
    392.46/588.89 = 175.99/x
  3. Step 3: Cross multiply
    392.46x = 588.89 × 175.99
  4. Step 4: Simplify right side
    392.46x = 103,637.87
  5. Step 5: Solve for x
    x = 103,637.87/392.46
  6. Step 6: Final answer
    x = 264.08

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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.