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Finding the Fourth Proportional to 334.91, 501.96 and 188.57

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Solution

The fourth proportional to 334.91, 501.96 and 188.57 is: 282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.91 : 501.96 = 188.57 : x
  2. Step 2: Convert to fraction form
    334.91/501.96 = 188.57/x
  3. Step 3: Cross multiply
    334.91x = 501.96 × 188.57
  4. Step 4: Simplify right side
    334.91x = 94,654.60
  5. Step 5: Solve for x
    x = 94,654.60/334.91
  6. Step 6: Final answer
    x = 282.63

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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.