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Finding the Fourth Proportional to 333.16, 499.56 and 189.04

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Solution

The fourth proportional to 333.16, 499.56 and 189.04 is: 283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.16 : 499.56 = 189.04 : x
  2. Step 2: Convert to fraction form
    333.16/499.56 = 189.04/x
  3. Step 3: Cross multiply
    333.16x = 499.56 × 189.04
  4. Step 4: Simplify right side
    333.16x = 94,436.82
  5. Step 5: Solve for x
    x = 94,436.82/333.16
  6. Step 6: Final answer
    x = 283.46

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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.