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Finding the Fourth Proportional to 416.15, 624.44 and 233.51

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Solution

The fourth proportional to 416.15, 624.44 and 233.51 is: 350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.15 : 624.44 = 233.51 : x
  2. Step 2: Convert to fraction form
    416.15/624.44 = 233.51/x
  3. Step 3: Cross multiply
    416.15x = 624.44 × 233.51
  4. Step 4: Simplify right side
    416.15x = 145,808.69
  5. Step 5: Solve for x
    x = 145,808.69/416.15
  6. Step 6: Final answer
    x = 350.38

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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.