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Finding the Fourth Proportional to 483.32, 724.97 and 336.66

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Solution

The fourth proportional to 483.32, 724.97 and 336.66 is: 504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.32 : 724.97 = 336.66 : x
  2. Step 2: Convert to fraction form
    483.32/724.97 = 336.66/x
  3. Step 3: Cross multiply
    483.32x = 724.97 × 336.66
  4. Step 4: Simplify right side
    483.32x = 244,064.63
  5. Step 5: Solve for x
    x = 244,064.63/483.32
  6. Step 6: Final answer
    x = 504.98

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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.