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Finding the Fourth Proportional to 360,028.53, 496,839.60 and 196,687.26

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Solution

The fourth proportional to 360,028.53, 496,839.60 and 196,687.26 is: 271,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,028.53 : 496,839.60 = 196,687.26 : x
  2. Step 2: Convert to fraction form
    360,028.53/496,839.60 = 196,687.26/x
  3. Step 3: Cross multiply
    360,028.53x = 496,839.60 × 196,687.26
  4. Step 4: Simplify right side
    360,028.53x = 97,722,019,583.50
  5. Step 5: Solve for x
    x = 97,722,019,583.50/360,028.53
  6. Step 6: Final answer
    x = 271,428.54

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1.5x scale

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.