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Finding the Fourth Proportional to 332.01, 498.06 and 115.57

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Solution

The fourth proportional to 332.01, 498.06 and 115.57 is: 173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.01 : 498.06 = 115.57 : x
  2. Step 2: Convert to fraction form
    332.01/498.06 = 115.57/x
  3. Step 3: Cross multiply
    332.01x = 498.06 × 115.57
  4. Step 4: Simplify right side
    332.01x = 57,560.79
  5. Step 5: Solve for x
    x = 57,560.79/332.01
  6. Step 6: Final answer
    x = 173.37

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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.