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Finding the Fourth Proportional to 587,361.62, 810,949.02 and 451,152.02

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Solution

The fourth proportional to 587,361.62, 810,949.02 and 451,152.02 is: 622,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,361.62 : 810,949.02 = 451,152.02 : x
  2. Step 2: Convert to fraction form
    587,361.62/810,949.02 = 451,152.02/x
  3. Step 3: Cross multiply
    587,361.62x = 810,949.02 × 451,152.02
  4. Step 4: Simplify right side
    587,361.62x = 365,861,288,490.02
  5. Step 5: Solve for x
    x = 365,861,288,490.02/587,361.62
  6. Step 6: Final answer
    x = 622,889.33

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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.