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Finding the Fourth Proportional to 433.76, 650.80 and 160.03

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Solution

The fourth proportional to 433.76, 650.80 and 160.03 is: 240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.76 : 650.80 = 160.03 : x
  2. Step 2: Convert to fraction form
    433.76/650.80 = 160.03/x
  3. Step 3: Cross multiply
    433.76x = 650.80 × 160.03
  4. Step 4: Simplify right side
    433.76x = 104,147.52
  5. Step 5: Solve for x
    x = 104,147.52/433.76
  6. Step 6: Final answer
    x = 240.10

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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.