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Finding the Fourth Proportional to 334.32, 501.48 and 189.96

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Solution

The fourth proportional to 334.32, 501.48 and 189.96 is: 284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.32 : 501.48 = 189.96 : x
  2. Step 2: Convert to fraction form
    334.32/501.48 = 189.96/x
  3. Step 3: Cross multiply
    334.32x = 501.48 × 189.96
  4. Step 4: Simplify right side
    334.32x = 95,261.14
  5. Step 5: Solve for x
    x = 95,261.14/334.32
  6. Step 6: Final answer
    x = 284.94

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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.