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Finding the Fourth Proportional to 465.33, 697.95 and 191.37

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Solution

The fourth proportional to 465.33, 697.95 and 191.37 is: 287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.33 : 697.95 = 191.37 : x
  2. Step 2: Convert to fraction form
    465.33/697.95 = 191.37/x
  3. Step 3: Cross multiply
    465.33x = 697.95 × 191.37
  4. Step 4: Simplify right side
    465.33x = 133,566.69
  5. Step 5: Solve for x
    x = 133,566.69/465.33
  6. Step 6: Final answer
    x = 287.04

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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.