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Finding the Fourth Proportional to 332.84, 499.28 and 188.28

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Solution

The fourth proportional to 332.84, 499.28 and 188.28 is: 282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.84 : 499.28 = 188.28 : x
  2. Step 2: Convert to fraction form
    332.84/499.28 = 188.28/x
  3. Step 3: Cross multiply
    332.84x = 499.28 × 188.28
  4. Step 4: Simplify right side
    332.84x = 94,004.44
  5. Step 5: Solve for x
    x = 94,004.44/332.84
  6. Step 6: Final answer
    x = 282.43

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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.