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Finding the Fourth Proportional to 397,361.10, 595,836.45 and 116,841.90

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Solution

The fourth proportional to 397,361.10, 595,836.45 and 116,841.90 is: 175,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,361.10 : 595,836.45 = 116,841.90 : x
  2. Step 2: Convert to fraction form
    397,361.10/595,836.45 = 116,841.90/x
  3. Step 3: Cross multiply
    397,361.10x = 595,836.45 × 116,841.90
  4. Step 4: Simplify right side
    397,361.10x = 69,618,662,907.26
  5. Step 5: Solve for x
    x = 69,618,662,907.26/397,361.10
  6. Step 6: Final answer
    x = 175,202.51

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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.