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Finding the Fourth Proportional to 332.91, 498.96 and 186.57

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Solution

The fourth proportional to 332.91, 498.96 and 186.57 is: 279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.91 : 498.96 = 186.57 : x
  2. Step 2: Convert to fraction form
    332.91/498.96 = 186.57/x
  3. Step 3: Cross multiply
    332.91x = 498.96 × 186.57
  4. Step 4: Simplify right side
    332.91x = 93,090.97
  5. Step 5: Solve for x
    x = 93,090.97/332.91
  6. Step 6: Final answer
    x = 279.63

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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.