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Finding the Fourth Proportional to 290,845.42, 436,501.44 and 150,644.14

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Solution

The fourth proportional to 290,845.42, 436,501.44 and 150,644.14 is: 226,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,845.42 : 436,501.44 = 150,644.14 : x
  2. Step 2: Convert to fraction form
    290,845.42/436,501.44 = 150,644.14/x
  3. Step 3: Cross multiply
    290,845.42x = 436,501.44 × 150,644.14
  4. Step 4: Simplify right side
    290,845.42x = 65,756,384,037.56
  5. Step 5: Solve for x
    x = 65,756,384,037.56/290,845.42
  6. Step 6: Final answer
    x = 226,087.05

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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.