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Finding the Fourth Proportional to 503,186.82, 754,755.60 and 187,619.06

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Solution

The fourth proportional to 503,186.82, 754,755.60 and 187,619.06 is: 281,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,186.82 : 754,755.60 = 187,619.06 : x
  2. Step 2: Convert to fraction form
    503,186.82/754,755.60 = 187,619.06/x
  3. Step 3: Cross multiply
    503,186.82x = 754,755.60 × 187,619.06
  4. Step 4: Simplify right side
    503,186.82x = 141,606,536,201.74
  5. Step 5: Solve for x
    x = 141,606,536,201.74/503,186.82
  6. Step 6: Final answer
    x = 281,419.41

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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.