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Finding the Fourth Proportional to 336,705.97, 505,236.31 and 194,651.01

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Solution

The fourth proportional to 336,705.97, 505,236.31 and 194,651.01 is: 292,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,705.97 : 505,236.31 = 194,651.01 : x
  2. Step 2: Convert to fraction form
    336,705.97/505,236.31 = 194,651.01/x
  3. Step 3: Cross multiply
    336,705.97x = 505,236.31 × 194,651.01
  4. Step 4: Simplify right side
    336,705.97x = 98,344,758,185.60
  5. Step 5: Solve for x
    x = 98,344,758,185.60/336,705.97
  6. Step 6: Final answer
    x = 292,079.04

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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.