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Finding the Fourth Proportional to 503,329.20, 754,734.60 and 187,623.60

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Solution

The fourth proportional to 503,329.20, 754,734.60 and 187,623.60 is: 281,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,329.20 : 754,734.60 = 187,623.60 : x
  2. Step 2: Convert to fraction form
    503,329.20/754,734.60 = 187,623.60/x
  3. Step 3: Cross multiply
    503,329.20x = 754,734.60 × 187,623.60
  4. Step 4: Simplify right side
    503,329.20x = 141,606,022,696.56
  5. Step 5: Solve for x
    x = 141,606,022,696.56/503,329.20
  6. Step 6: Final answer
    x = 281,338.78

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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.