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Finding the Fourth Proportional to 465.06, 697 and 190.84

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Solution

The fourth proportional to 465.06, 697 and 190.84 is: 286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.06 : 697 = 190.84 : x
  2. Step 2: Convert to fraction form
    465.06/697 = 190.84/x
  3. Step 3: Cross multiply
    465.06x = 697 × 190.84
  4. Step 4: Simplify right side
    465.06x = 133,015.48
  5. Step 5: Solve for x
    x = 133,015.48/465.06
  6. Step 6: Final answer
    x = 286.02

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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.