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Finding the Fourth Proportional to 696,651.64, 960,489.33 and 451,202.81

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Solution

The fourth proportional to 696,651.64, 960,489.33 and 451,202.81 is: 622,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,651.64 : 960,489.33 = 451,202.81 : x
  2. Step 2: Convert to fraction form
    696,651.64/960,489.33 = 451,202.81/x
  3. Step 3: Cross multiply
    696,651.64x = 960,489.33 × 451,202.81
  4. Step 4: Simplify right side
    696,651.64x = 433,375,478,176.56
  5. Step 5: Solve for x
    x = 433,375,478,176.56/696,651.64
  6. Step 6: Final answer
    x = 622,083.48

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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.