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Finding the Fourth Proportional to 602, 902.98 and 191.16

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Solution

The fourth proportional to 602, 902.98 and 191.16 is: 286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602 : 902.98 = 191.16 : x
  2. Step 2: Convert to fraction form
    602/902.98 = 191.16/x
  3. Step 3: Cross multiply
    602x = 902.98 × 191.16
  4. Step 4: Simplify right side
    602x = 172,613.66
  5. Step 5: Solve for x
    x = 172,613.66/602
  6. Step 6: Final answer
    x = 286.73

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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.