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Finding the Fourth Proportional to 332.10, 498.16 and 115.69

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Solution

The fourth proportional to 332.10, 498.16 and 115.69 is: 173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.10 : 498.16 = 115.69 : x
  2. Step 2: Convert to fraction form
    332.10/498.16 = 115.69/x
  3. Step 3: Cross multiply
    332.10x = 498.16 × 115.69
  4. Step 4: Simplify right side
    332.10x = 57,632.13
  5. Step 5: Solve for x
    x = 57,632.13/332.10
  6. Step 6: Final answer
    x = 173.54

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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.