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Finding the Fourth Proportional to 695.96, 960.45 and 433.92

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Solution

The fourth proportional to 695.96, 960.45 and 433.92 is: 598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.96 : 960.45 = 433.92 : x
  2. Step 2: Convert to fraction form
    695.96/960.45 = 433.92/x
  3. Step 3: Cross multiply
    695.96x = 960.45 × 433.92
  4. Step 4: Simplify right side
    695.96x = 416,756.29
  5. Step 5: Solve for x
    x = 416,756.29/695.96
  6. Step 6: Final answer
    x = 598.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.