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Finding the Fourth Proportional to 468.81, 703.26 and 194.85

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Solution

The fourth proportional to 468.81, 703.26 and 194.85 is: 292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.81 : 703.26 = 194.85 : x
  2. Step 2: Convert to fraction form
    468.81/703.26 = 194.85/x
  3. Step 3: Cross multiply
    468.81x = 703.26 × 194.85
  4. Step 4: Simplify right side
    468.81x = 137,030.21
  5. Step 5: Solve for x
    x = 137,030.21/468.81
  6. Step 6: Final answer
    x = 292.29

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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.