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Finding the Fourth Proportional to 773,142.60, 1,157,745.60 and 737,713.20

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Solution

The fourth proportional to 773,142.60, 1,157,745.60 and 737,713.20 is: 1,104,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,142.60 : 1,157,745.60 = 737,713.20 : x
  2. Step 2: Convert to fraction form
    773,142.60/1,157,745.60 = 737,713.20/x
  3. Step 3: Cross multiply
    773,142.60x = 1,157,745.60 × 737,713.20
  4. Step 4: Simplify right side
    773,142.60x = 854,084,211,361.92
  5. Step 5: Solve for x
    x = 854,084,211,361.92/773,142.60
  6. Step 6: Final answer
    x = 1,104,691.70

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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.