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Finding the Fourth Proportional to 601.84, 902.32 and 190.84

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Solution

The fourth proportional to 601.84, 902.32 and 190.84 is: 286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.84 : 902.32 = 190.84 : x
  2. Step 2: Convert to fraction form
    601.84/902.32 = 190.84/x
  3. Step 3: Cross multiply
    601.84x = 902.32 × 190.84
  4. Step 4: Simplify right side
    601.84x = 172,198.75
  5. Step 5: Solve for x
    x = 172,198.75/601.84
  6. Step 6: Final answer
    x = 286.12

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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.