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Finding the Fourth Proportional to 468.76, 703.22 and 194.87

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Solution

The fourth proportional to 468.76, 703.22 and 194.87 is: 292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.76 : 703.22 = 194.87 : x
  2. Step 2: Convert to fraction form
    468.76/703.22 = 194.87/x
  3. Step 3: Cross multiply
    468.76x = 703.22 × 194.87
  4. Step 4: Simplify right side
    468.76x = 137,036.48
  5. Step 5: Solve for x
    x = 137,036.48/468.76
  6. Step 6: Final answer
    x = 292.34

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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.