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Finding the Fourth Proportional to 332.29, 498.09 and 149.63

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Solution

The fourth proportional to 332.29, 498.09 and 149.63 is: 224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.29 : 498.09 = 149.63 : x
  2. Step 2: Convert to fraction form
    332.29/498.09 = 149.63/x
  3. Step 3: Cross multiply
    332.29x = 498.09 × 149.63
  4. Step 4: Simplify right side
    332.29x = 74,529.21
  5. Step 5: Solve for x
    x = 74,529.21/332.29
  6. Step 6: Final answer
    x = 224.29

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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.