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Finding the Fourth Proportional to 336,368.88, 504,687.96 and 136,704.60

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Solution

The fourth proportional to 336,368.88, 504,687.96 and 136,704.60 is: 205,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,368.88 : 504,687.96 = 136,704.60 : x
  2. Step 2: Convert to fraction form
    336,368.88/504,687.96 = 136,704.60/x
  3. Step 3: Cross multiply
    336,368.88x = 504,687.96 × 136,704.60
  4. Step 4: Simplify right side
    336,368.88x = 68,993,165,696.62
  5. Step 5: Solve for x
    x = 68,993,165,696.62/336,368.88
  6. Step 6: Final answer
    x = 205,111.62

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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.