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Finding the Fourth Proportional to 291,504.11, 437,256.16 and 166,757.63

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Solution

The fourth proportional to 291,504.11, 437,256.16 and 166,757.63 is: 250,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,504.11 : 437,256.16 = 166,757.63 : x
  2. Step 2: Convert to fraction form
    291,504.11/437,256.16 = 166,757.63/x
  3. Step 3: Cross multiply
    291,504.11x = 437,256.16 × 166,757.63
  4. Step 4: Simplify right side
    291,504.11x = 72,915,798,341.33
  5. Step 5: Solve for x
    x = 72,915,798,341.33/291,504.11
  6. Step 6: Final answer
    x = 250,136.44

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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.