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Finding the Fourth Proportional to 465.04, 696.95 and 190.85

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Solution

The fourth proportional to 465.04, 696.95 and 190.85 is: 286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.04 : 696.95 = 190.85 : x
  2. Step 2: Convert to fraction form
    465.04/696.95 = 190.85/x
  3. Step 3: Cross multiply
    465.04x = 696.95 × 190.85
  4. Step 4: Simplify right side
    465.04x = 133,011.95
  5. Step 5: Solve for x
    x = 133,011.95/465.04
  6. Step 6: Final answer
    x = 286.03

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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.