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Finding the Fourth Proportional to 329.94, 495 and 175.86

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Solution

The fourth proportional to 329.94, 495 and 175.86 is: 263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.94 : 495 = 175.86 : x
  2. Step 2: Convert to fraction form
    329.94/495 = 175.86/x
  3. Step 3: Cross multiply
    329.94x = 495 × 175.86
  4. Step 4: Simplify right side
    329.94x = 87,050.70
  5. Step 5: Solve for x
    x = 87,050.70/329.94
  6. Step 6: Final answer
    x = 263.84

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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.