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Finding the Fourth Proportional to 796.96, 1,195.62 and 432.08

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Solution

The fourth proportional to 796.96, 1,195.62 and 432.08 is: 648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.96 : 1,195.62 = 432.08 : x
  2. Step 2: Convert to fraction form
    796.96/1,195.62 = 432.08/x
  3. Step 3: Cross multiply
    796.96x = 1,195.62 × 432.08
  4. Step 4: Simplify right side
    796.96x = 516,603.49
  5. Step 5: Solve for x
    x = 516,603.49/796.96
  6. Step 6: Final answer
    x = 648.22

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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.