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Finding the Fourth Proportional to 504,288, 756,561.60 and 188,749.44

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Solution

The fourth proportional to 504,288, 756,561.60 and 188,749.44 is: 283,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,288 : 756,561.60 = 188,749.44 : x
  2. Step 2: Convert to fraction form
    504,288/756,561.60 = 188,749.44/x
  3. Step 3: Cross multiply
    504,288x = 756,561.60 × 188,749.44
  4. Step 4: Simplify right side
    504,288x = 142,800,578,325.50
  5. Step 5: Solve for x
    x = 142,800,578,325.50/504,288
  6. Step 6: Final answer
    x = 283,172.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.