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Finding the Fourth Proportional to 407.13, 610.96 and 150.63

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Solution

The fourth proportional to 407.13, 610.96 and 150.63 is: 226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.13 : 610.96 = 150.63 : x
  2. Step 2: Convert to fraction form
    407.13/610.96 = 150.63/x
  3. Step 3: Cross multiply
    407.13x = 610.96 × 150.63
  4. Step 4: Simplify right side
    407.13x = 92,028.90
  5. Step 5: Solve for x
    x = 92,028.90/407.13
  6. Step 6: Final answer
    x = 226.04

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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.