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Finding the Fourth Proportional to 624.44, 937.23 and 316.51

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Solution

The fourth proportional to 624.44, 937.23 and 316.51 is: 475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.44 : 937.23 = 316.51 : x
  2. Step 2: Convert to fraction form
    624.44/937.23 = 316.51/x
  3. Step 3: Cross multiply
    624.44x = 937.23 × 316.51
  4. Step 4: Simplify right side
    624.44x = 296,636.40
  5. Step 5: Solve for x
    x = 296,636.40/624.44
  6. Step 6: Final answer
    x = 475.05

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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.