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Finding the Fourth Proportional to 310.67, 465.60 and 233.02

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Solution

The fourth proportional to 310.67, 465.60 and 233.02 is: 349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.67 : 465.60 = 233.02 : x
  2. Step 2: Convert to fraction form
    310.67/465.60 = 233.02/x
  3. Step 3: Cross multiply
    310.67x = 465.60 × 233.02
  4. Step 4: Simplify right side
    310.67x = 108,494.11
  5. Step 5: Solve for x
    x = 108,494.11/310.67
  6. Step 6: Final answer
    x = 349.23

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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.