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Finding the Fourth Proportional to 484.14, 722.16 and 444.34

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Solution

The fourth proportional to 484.14, 722.16 and 444.34 is: 662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.14 : 722.16 = 444.34 : x
  2. Step 2: Convert to fraction form
    484.14/722.16 = 444.34/x
  3. Step 3: Cross multiply
    484.14x = 722.16 × 444.34
  4. Step 4: Simplify right side
    484.14x = 320,885.48
  5. Step 5: Solve for x
    x = 320,885.48/484.14
  6. Step 6: Final answer
    x = 662.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.