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Finding the Fourth Proportional to 483.64, 724.14 and 336.96

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Solution

The fourth proportional to 483.64, 724.14 and 336.96 is: 504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.64 : 724.14 = 336.96 : x
  2. Step 2: Convert to fraction form
    483.64/724.14 = 336.96/x
  3. Step 3: Cross multiply
    483.64x = 724.14 × 336.96
  4. Step 4: Simplify right side
    483.64x = 244,006.21
  5. Step 5: Solve for x
    x = 244,006.21/483.64
  6. Step 6: Final answer
    x = 504.52

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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.