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Finding the Fourth Proportional to 437,696.60, 656,538.26 and 266,968.44

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Solution

The fourth proportional to 437,696.60, 656,538.26 and 266,968.44 is: 400,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,696.60 : 656,538.26 = 266,968.44 : x
  2. Step 2: Convert to fraction form
    437,696.60/656,538.26 = 266,968.44/x
  3. Step 3: Cross multiply
    437,696.60x = 656,538.26 × 266,968.44
  4. Step 4: Simplify right side
    437,696.60x = 175,274,993,737.67
  5. Step 5: Solve for x
    x = 175,274,993,737.67/437,696.60
  6. Step 6: Final answer
    x = 400,448.61

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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.