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Finding the Fourth Proportional to 320.99, 481.59 and 244.04

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Solution

The fourth proportional to 320.99, 481.59 and 244.04 is: 366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.99 : 481.59 = 244.04 : x
  2. Step 2: Convert to fraction form
    320.99/481.59 = 244.04/x
  3. Step 3: Cross multiply
    320.99x = 481.59 × 244.04
  4. Step 4: Simplify right side
    320.99x = 117,526.00
  5. Step 5: Solve for x
    x = 117,526.00/320.99
  6. Step 6: Final answer
    x = 366.14

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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.