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Finding the Fourth Proportional to 484.04, 724.44 and 444.08

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Solution

The fourth proportional to 484.04, 724.44 and 444.08 is: 664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.04 : 724.44 = 444.08 : x
  2. Step 2: Convert to fraction form
    484.04/724.44 = 444.08/x
  3. Step 3: Cross multiply
    484.04x = 724.44 × 444.08
  4. Step 4: Simplify right side
    484.04x = 321,709.32
  5. Step 5: Solve for x
    x = 321,709.32/484.04
  6. Step 6: Final answer
    x = 664.63

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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.