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Finding the Fourth Proportional to 624.11, 935.37 and 316.04

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Solution

The fourth proportional to 624.11, 935.37 and 316.04 is: 473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.11 : 935.37 = 316.04 : x
  2. Step 2: Convert to fraction form
    624.11/935.37 = 316.04/x
  3. Step 3: Cross multiply
    624.11x = 935.37 × 316.04
  4. Step 4: Simplify right side
    624.11x = 295,609.66
  5. Step 5: Solve for x
    x = 295,609.66/624.11
  6. Step 6: Final answer
    x = 473.65

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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.