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Finding the Fourth Proportional to 313.04, 468.12 and 231.44

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Solution

The fourth proportional to 313.04, 468.12 and 231.44 is: 346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.04 : 468.12 = 231.44 : x
  2. Step 2: Convert to fraction form
    313.04/468.12 = 231.44/x
  3. Step 3: Cross multiply
    313.04x = 468.12 × 231.44
  4. Step 4: Simplify right side
    313.04x = 108,341.69
  5. Step 5: Solve for x
    x = 108,341.69/313.04
  6. Step 6: Final answer
    x = 346.10

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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.