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Finding the Fourth Proportional to 624.96, 937.80 and 336.42

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Solution

The fourth proportional to 624.96, 937.80 and 336.42 is: 504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.96 : 937.80 = 336.42 : x
  2. Step 2: Convert to fraction form
    624.96/937.80 = 336.42/x
  3. Step 3: Cross multiply
    624.96x = 937.80 × 336.42
  4. Step 4: Simplify right side
    624.96x = 315,494.68
  5. Step 5: Solve for x
    x = 315,494.68/624.96
  6. Step 6: Final answer
    x = 504.82

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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.